Man's Bloody Tears Were Caused by This Rare Condition

It looks like Halloween costume: a man with bloody tears pouring down his face. But these tears are the real thing, the result of a rare condition.

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Boy's Rare Brain Condition Means He Could Be Literally Scared to Death

Halloween frights are usually harmless, but not for five-year-old Reed Havlik: The boy has a rare brain condition that could cause him to be literally scared to death.

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The Gruesome Stories Behind Famous Dead People's Long-Lost Body Parts (Photos)

Whatever happened to Albert Einstein's brain? Or Louis XIV's heart? These body parts, and countless other pieces of famous dead people, are not buried in places you'd expect.

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Roaches Kick Wasps in the Head to Avoid Becoming Zombies

Cockroaches use defensive moves against "zombifying" parasitic wasps.

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US Homeland Security Dogs Face a Growing Occupational Risk: A Nasty Parasite

A surprising number of dogs working for the U.S. Department of Homeland Security are infected with this parasite, according to a new study.

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This 4,500-Year-Old Ramp Contraption May Have Been Used to Build Egypt's Great Pyramid

Archaeologists may have discovered the system used to haul massive stone blocks into place for Egypt's most massive pyramid.

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How Fake Blood Is Made to Look So Real

For Halloween, stage blood takes the spotlight and chemistry tricks can treat viewers.

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Cold, Dark Stars Lurking in the Universe Could Act Like Single Giant Atoms

Mysterious quantum stars that act like single, monster atoms could form surprisingly quickly.

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Earth Is Being Haunted by a Ghostly Dust Storm — And There May Be More Out There

Cosmic tumbleweeds of dust hover nearly 250,000 miles above our planet, new images reveal.

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Dissecting the Bloodthirsty Bliss of Death Metal

Fans of this violent music report feelings of transcendence and positive emotions; psychologists want to learn why

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In Photos: Eerie Zoo Animal Skeletons, in X-Rays

Are X-rays of animals gorgeous or creepy? Maybe a little of both.

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Zoo's Animal X-Rays Reveal Spooky, Scary Skeletons

Animals from the Oregon Zoo are also beautiful on the inside.

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Doctors Retrieve Spoon from Man's Esophagus — A Year After He Swallowed It

A swallowed steel spoon was finally freed from a man's gullet.

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How Did Two Mothers Both Carry the Same Child?

Their success is due to a twist on a relatively new fertility treatment.

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Antarctica's Pine Island Glacier Just Lost Enough Ice to Cover Manhattan 5 Times Over

An enormous iceberg about five times the size of Manhattan broke off Antarctica's Pine Island Glacier yesterday (Oct. 29), a mere month after a crack first appeared, satellite imagery shows.

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These Duck-Billed Dinosaurs Wore Their Instruments on Their Heads

Different species of duck-billed dinosaurs may have "tooted" different notes out of their trumpet-like, tubular crests, new research shows.

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A NASA Spacecraft Just Broke the Record for Closest Approach to Sun

NASA’s Parker Solar Probe just got closer to the sun than any other human-made object in history.

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Best Educational Toys & Games for Infants and Toddlers

These educational and science toys could help infants and toddlers grow their little minds.

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Tiny Beetle Entombed in Amber 99 Million Years Ago Reveals How Continents Shifted

A minuscule beetle from Myanmar is perfectly preserved in amber.

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Here Are the Real (and Freaky) Experiments That Inspired 'Frankenstein'

Frankenstein might look like fantasy to modern eyes, but to its author and original readers there was nothing fantastic about it.

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Photos: Deep Sea Expedition Discovers a Plethora of Octopuses

Researchers found numerous show-stopping octopuses in the deep waters of the Davidson Seamount. Photos captured by the ROV Hercules.

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The Best Gifts for Science Nerds and Geeks

If you're wondering what to get the science geek in your life, look no further. Do they need a moon lamp? Maybe a custom map of their favorite volcano? And don't forget that science geeks can never have too many science themed socks or t-shirts.

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The Parachute That Will Help Gently Plop the Rover Down on Mars, Breaks World Record on Earth

After months of testing supersonic parachutes, NASA is confident they have found the one.

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Photos: Black-Tailed Jackrabbits, the Curious Creatures of the American West

Surely one of the more unique species of mammal found across the western regions of North America is the black-tailed jackrabbit.

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'Alien Invasion' Radio Broadcast Terrified Listeners 80 Years Ago. Would E.T. Contact Cause Panic Today?

A radio report of an alleged "alien invasion" in New Jersey caused alarm 80 years ago today.

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High Vitamin D Levels Linked with Better Fitness

There's yet another reason to make sure you're getting enough vitamin D.

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Nearly Half of Americans Think Alternative Medicine Can Cure Cancer. It Can't.

Many Americans hold the misguided view that alternative therapies alone can cure cancer, even though such methods are not proven to be effective in treating cancer.

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Why Do People Like Pumpkin Spice So Much?

What is it about the seasonal trend — that is, infusing pumpkin spice flavor into all kinds of treats — that makes it a fall favorite?

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The Hindenburg Wasn't Alone: Here's a Look at 23 Intriguing Airship Adventures

Long before jet aircraft came to dominate air transport, a variety of lighter-than-air vessels known as airships sought to combine the capabilities of ships at sea with the radical new ability of soaring through the skies.

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Ghostly Dumbo Octopus Makes Rare Appearance in Dazzling Deep-Sea Video

Watch this majestic dumbo octopus glide through the deep sea.

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Robbers Tried to Steal an ATM, But Instead Helped Uncover Lost Medieval Artifacts

A gang of goons' bumbling robbery attempt inadvertently revealed lost Tudor treasures.

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Banned Ozone-Depleting Chemical Was Used Illegally in China

A hazardous, ozone-depleting compound is still being used in China, even though it is banned worldwide by the Montreal Protocol, a new study finds.

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Rare Leftovers of 'Vampire' Fish, Favored by Medieval Foodies, Found in London

Deep in a medieval cesspit in the middle of London, researchers made a spooky discovery.

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In Photos: The Stunning Gila Wilderness Area

The Gila Wilderness area remains an unspoiled natural region.

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Are Anti-Vaxxers to Blame for Europe's Current Measles Outbreak?

The measles thrives in populations that are under-vaccinated. So, why have so many people in Europe avoided getting their shots?

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Jacques Cousteau's Grandson to Map Depths of Massive Blue Hole Off Belize's Coast

A new expedition is set to map the bowels of a mysterious blue sinkhole off the coast of Belize

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'Unprecedented' Number of Dead Whales Have Washed Up in Scotland and Ireland

And scientists are pointing a finger at anti-sub sonar.

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The Best Gifts for Tardigrade Lovers

Here are some gift ideas for the tardigrade-entranced.

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Weird and Funny Science Gifts That Are Sure to Make You Laugh

Who says science isn’t funny? Live Science collects a roundup of humorous and weird science-themed holiday gifts.

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The US Is Throwing Out Donor Kidneys That Could Be Given to Patients, Study Says

There's a serious kidney shortage in the United States.

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Want to Be a Bat Hero This Halloween? Don't Visit the Batcave. (Op-Ed)

It may sound like a thrilling adventure to visit caves full of hibernating bats — which, just like Batman’s Batcave, are largely hidden from the public eye. But venturing inside of bats' dark homes is actually incredibly dangerous to the bats.

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Photos: Hidden Monuments Found at Ancient Site of Izapa Kingdom

Here's a look at the amazing discoveries from the ancient site of the Izapa kingdom in southern Mexico.

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Hidden Monuments and Cookie-Cutter 'Suburbs' Discovered in Ancient Izapa Kingdom

Ancient hidden settlements were revealed in a new lidar survey of the Izapa kingdom in southern Mexico.

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Why Do Some People Feel More Pain Than Others?

Researchers are exploring the genetic differences that dictate why some people suffer greater pain than others, and how to translate these findings into personalized pain treatments.

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Why Believing in Ghosts Can Make You a Better Person

Ghost stories are often about the departed seeking justice for an earthly wrong. Their sightings are a reminder that ethics and morality transcend our lives.

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Why Is Laughter Sometimes Scary?

muahaha

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Social Inequality Left Its Mark on 5,000-Year-Old Alpine Village

Archaeologists think they've spotted traces of social inequality in a 5,000-year-old village that was buried on the shores of Lake Zurich in Switzerland.

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Why Are There So Many Pigeons?

How history, architecture and, weirdly enough, bird milk have enabled pigeons to thrive in cities.

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The Most Interesting Science News Articles of the Week

Here are the most interesting, amazing and unusual things that happened in the world of science this week. A recap of Live Science's best.

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Military Mystery Solved: Two Guys Out-Googled Google for an Image of Secretive US Base

An engineer and writer noticed a secretive military base in Nevada hadn't been updated on Google Maps for 8 years. They took care of that without any Google help.

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There Are 18 Volcanoes That Pose a 'Very High Threat' to American Life

These 18 volcanoes in the U.S. could lead to mass death and destruction.

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750-Year-Old Wooden Idols, Some Wearing Masks, Uncovered in Peru

Archaeologists have discovered 19 anthropomorphic wooden idols, some of them wearing beige clay masks on their faces, in the ancient city of Chan Chan, Peru, according to the country's Ministry of Culture.

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A Teensy Fly Burrowed into a Woman's Skin During Belize Honeymoon. She Noticed It 2 Months Later

A Florida woman will probably never forget her honeymoon in Belize, but not for the usual reasons

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Hawaiian Island Vanishes Overnight

East Island in Hawaii is no more.

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8 Bizarre Animal Surprises From 'True or Poo' — Can You Tell Fact From Myth?

Which of these bizarre animals facts from "True of Poo?" are real, and which are not?

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'Does it Fart?' Authors Drop Book Number Two, 'True or Poo?'

New book "True or Poo?" explores a range of riveting animal repulsiveness.

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'Painted People' in Scotland Developed Written Language 1,700 Years Ago

The Picts, a fierce group of people who lived in Scotland during ancient and medieval times may have developed their own written language.

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Photos: Circular Geoglyphs Discovered in Peru's Sihuas Valley

Here's a look at mysterious circles etched into the desert of southern Peru.

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Ancient Travelers Created These Sprawling Circular Structures During Pit Stops

Mysterious desert circles in Peru follow long-ago footpaths.

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Creepy AI-Created Portrait Fetches $432,500 at Auction

It's the arrival of artificial intelligence in the art world.

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How to Pee a Brick (And Help Save the Planet While You Do It)

The cities of the future could be made of human pee — and that's a good thing.

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Ridiculously Tiny Baby Octopus Riding Ocean Trash Is So, So Smol

Marvel at the cuteness of a pea-size baby octopus.

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Controversial Spearpoints Could Rewrite the Story of the First Americans

Archaeologists have unearthed what are potentially the oldest weapons ever found in North America: eleven spearpoints dating to about 15,500 years ago, a new study finds.

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'Phantom' Archaeopteryx, One of the World's 1st Birds, Could Probably Fly

After years spent sitting in private collections, a "phantom" fossil of one of the world's first known birds has finally seen the light of day. Now, scientists have determined that it's a previously unknown species within the famous genus of Archaeopteryx

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Weird Rectangular Iceberg in Antarctica Isn't Alone, NASA Photos Show

A NASA scientist actually spotted two sharp-cornered icebergs during a recent research flight over Antarctica.

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Traces of Earth's Oldest Animals Possibly Found

Preserved chemical evidence suggests that sponges were among Earth's earliest animals.

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The Earth Breathes in Incredibly Creepy Video from Canadian Forest

What could make the Earth seem to "breathe" as it does in this startling video from Quebec, Canada?

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People with Psoriasis More Likely to Develop Certain Gut Disorders

People with psoriasis may be at greater risk of developing certain gut disorders, a new study finds.

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Robbed of Nobel, Female Physicist Blazed Her Own Amazing Trail: Watch Her Speak Tonight

Jocelyn Bell Burnell, astrophysicist extraordinaire who helped discover radio pulsars while a graduate student, tells her story tonight. Watch it live on Live Science.

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Bats: Fuzzy Flying Mammals

There are more than 1,300 species of these unique nocturnal mammals.

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Spaceflight Might Expand Your Mind, But It Shrinks Your Brain

Going to space does more than change the way you look at the world — it also changes your brain.

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A New Flu Drug Was Just Approved by the FDA. It's the First in Nearly 20 Years.

As flu season descends on the country, U.S. officials have announced the approval of a new drug to treat influenza.

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It Might Stress You Out to Know What Stress Is Doing to Your Brain

If you're already feeling stressed out, sorry, but there's one more thing you might need to worry about: A new study finds that stress may impair your memory now and quicken cognitive decline later in life.

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No, The CDC Didn't Say You Can't Put Chickens in Halloween Costumes

Happy Halloween, chickens!

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Octopus Moms Enter Death Spiral Before Eight-Armed Bundles Are Born

For an octopus mom, the miracle of life is bittersweet.

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Vintage WWII Fighter Plane Crashes on California Highway

A small vintage plane dressed up as a World War II Nazi aircraft crashed on California's highway 101 yesterday

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Space Pirates Take Warning: This 'Skull and Crossbones Nebula' Is Full of Gas and Baby Stars

The constellation NGC 2467 looks like a skull and crossbones.

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Scientists Now Have the Most Detailed Picture Yet of the Neutrino Factory Inside Our Sun

By tracking every neutrino that hit a detector beneath a mountain in Italy over ten years, scientists have painted the most detailed picture yet of the sun's interior.

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Could Misbehaving Neutrinos Explain Why the Universe Exists?

Could new findings explain why the universe is made of matter?

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What Is the Fibonacci Sequence?

Almost everything you know about this famous sequence is wrong.

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World's Deepest Volcanic Eruption Creates Nightmare Garden of Glass

There's an eerie underwater sculpture park in the Pacific — and you can thank the world's deepest volcanic eruption for it.

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Bizarre, Blue Space Rock Even Weirder Than Astronomers Thought

A bizarre, blue asteroid that acts like a comet and appears to be responsible for the annual Geminid meteor shower made a close flyby of Earth last year, giving astronomers an opportunity to study the object in unprecedented detail.

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Oh, Great: Apparently Electrons Are Too Round, and These Viruses Aren't Round Enough

Viruses aren't as spherical as everyone thought.

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Adenovirus Doesn't Usually Kill, So Why Did 6 Kids Die from the Virus in New Jersey?

Six children at a New Jersey healthcare facility have died in an outbreak of adenovirus, a virus that can cause cold and flu-like symptoms.

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Sandra Day O'Connor Says She 'Probably' Has Alzheimer's: What Defines Different Dementias?

How do you tell the difference between Alzheimer's and other types of dementia?

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Sweet Potatoes: Delicious and Nutritious

Don't let the name fool you, sweet potatoes are a surprisingly nutritious vegetable.

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Salmonella Hides Its Tail to Stay Invisible to Immune System

You'd be hard-pressed to find someone to say something good about Salmonella...

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World's Oldest Intact Shipwreck Found at the Bottom of the Black Sea

The vessel looks just like one depicted on a famous Greek vase.

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What Is Lithium?

Lithium is a metal used in manufacturing, electronics and mental health.

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Portrait 'Painted' by A.I. Up for Auction at Christie's in NYC

A.I. portraiture is taking the art world by storm.

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Are You Pregnant? 12 Early Signs of Pregnancy

A woman's body goes through a number of changes in the earliest stages of pregnancy. Here are 10 clues to help a woman figure out whether she's pregnant.

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Trying to Conceive: 10 Tips for Men

There are several things a man can do to increase the chances that he will get a woman pregnant.

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Trying to Conceive: 10 Tips for Women

For a woman trying to get pregnant, there are a number of ways to increase the chances and make it more likely that she will conceive a child.

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Cheetahs: The Fastest Land Animals

Cheetahs are the most unique members of the cat family, with bodies built for acceleration and short bursts of incredible speed.

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Why Did This Zoo Lion Murder the Father of Her Cubs?

Suri may have been defending herself against unwanted sexual advances.

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What Are Americans Most Afraid Of? Corrupt Government Officials & Global Warming.

Most Americans are most fearful of corrupt government officials and of environmental catastrophe.

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48-Million-Year-Old Fossil Owl Is Almost Perfectly Preserved

About 48 million years ago, an owl swooped down to catch its prey, not by the light of the moon but in broad daylight.

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This Very Good Dog Is Defending America Against African Swine Fever

An airport detector dog named Hardy is earning praise for sniffing out the bacon, so to speak.

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Dead Sea Scroll Fragments in Museum of the Bible Are Fake

These aren't ancient pieces of the biblical text but rather modern forgeries.

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Microplastics Are Everywhere — and That Likely Includes Your Poop

That's right. The tiny plastic particles have made their way into our poop.

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Stephen Hawking's Thesis, First Wheelchair to Be Auctioned Off

One of Hawking's earliest surviving wheelchairs and his groundbreaking doctoral thesis are up for auction in London.

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Man's Bug Bite Turns into Rare 'Flesh-Eating' Infection

What started as a simple bug bite on a young man's knee soon turned life-threatening when the itchy bump developed into an infection with "flesh-eating" bacteria.

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Bizarre 'Headless Chicken Monster' Drifts Through Antarctic Deep

Meet the real-life "chicken of the sea."

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Yes, the 'Blob' Is Back. No, It Won't Wreak Havoc on East Coast Weather.

No, "the blob" will not cause a wonky winter.

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Weight-Loss Supplements Contain Dangerous Stimulants Years After Being Prohibited

Some sports and weight-loss supplements still contain experimental stimulant drugs years after the FDA prohibited them.

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Skin: The Human Body's Largest Organ

Skin is the body's largest organ and is the first line of defense against harm.

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38 Baby Skulls of Weird Jurassic-Era Mammal Relative Found

About 185 million years ago, a hairy, beagle-size animal celebrated motherhood by having 38 babies in the same clutch, according to a new study of the skeletal remains of both mama and babes.

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BepiColombo Spacecraft Headed to Mercury Snaps 1st Photo, a Selfie

The European-Japanese BepiColombo mission captured its first photo on Saturday (Oct. 20), a day after lifting off from French Guiana. The image is a selfie showing a solar array and an insulation-wrapped sun sensor.

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Chocolate Labs Are Less Healthy Than Their Black and Yellow Puppy Pals

Chocolate-colored labs may be more prone to skin conditions and ear infections than other labs

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Ice Age Graveyard Holds the Bones of Mammoth Nursery Herds That Died at Watering Hole

It likely wasn't a cataclysmic flood, but rather a severe drought, that killed more than 20 mammoths 67,000 years ago.

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Extraterrestrial Life Could Be Purple

Earth's early life might have been purple, suggesting the search for extraterrestrial life should scan for the color.

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Mystery of Mercury Levels in Arctic Animals Gets Solved

In the Canadian Arctic, a mystery has troubled scientists and local communities for decades: Why do marine animals in the western Arctic have higher mercury levels than those in the east?

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Exoplanet Hunters Have a New Plan to Spot Hidden 'Migrating' Worlds

There's a telescope that can see thick rings of dust in distant star systems. And researchers want to use its data in a new way to spot hidden and migrating exoplanets.

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Exquisitely Preserved Lungs from 120 Million Years Ago Stun Scientists Studying Early Bird

Ancient organs rarely fossilize, so paleontologists were stunned to find the incredibly well-preserved remains of a lung that belonged to bird from the dinosaur age, a new study finds.

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Einstein and the Incredible Hulk Now Have Their Own Constellations (But You'll Never See Them)

NASA added 21 new "constellations" to the sky, thanks to invisible gamma-ray light.

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What is Pi?

Pi represents the ratio of the circumference of a circle to its diameter. Pi is an irrational number that never ends; the decimals go on forever and ever.

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What the Heck Is the Deal with This Weird, Square Iceberg?

A NASA photograph revealed an extremely weird-looking iceberg. A NASA scientist explained why.

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What Is Inflammation?

Inflammation is the body's response to injury. It works to help heal wounds, but it can also play a role in some chronic diseases.

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This Hunk of Metal Fell From Space and Landed in California

Iridium 70 fell out of orbit Oct. 10. A few days later, one of its fuel tanks caused a stir in central California.

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Here's How Researchers Made Mice with 2 Dads

Mice with two dads are harder to make than mice with two moms.

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By Middle Age, Healthy People Have Way More Cancer-Causing Mutations Than We Thought

Our cells change over time. Apparently, a lot.

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Shhh … The Ice in Antarctica Is 'Singing'

The Ross Ice Shelf in Antarctica has a haunting voice.

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There's No Medical Reason Not to Bake Your Grandpa's Ashes into a Sugar Cookie and Eat It

But, like, don't.

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From Egg to Grave: Clues Reveal How Baby Pterosaurs Grew Up

An astonishingly detailed picture of pterosaurs, describing their lives from wee-flapling to aged-flyer stages, has emerged, thanks to a variety of new fossils discovered in recent years.

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Dinosaur-Era Super-Piranha Terrorized Jurassic Seas

The little sea monster used its mouth full of scissor teeth to rip flesh from other fish.

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Adderall: Uses, Side Effects and Abuse

Adderall is a prescription medication used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy.

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Will This Winter Be Mild or Wild? Here's What We Can Expect

What will winter weather bring? NOAA experts share their predictions.

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Pompeii Graffiti May Rewrite Time Line of Vesuvius Eruption

Archaeologists have long debated when the volcano blew its top and covered surrounding Roman settlements in ash.

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A Parasite Spread by Cat Poop Is Infecting (and Probably Killing) Whales in Canada

Fifteen of 34 dead beluga whales tested positive for a potentially lethal cat-poop parasite.

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What Caused This Man's Nail to Turn Brown and Striped?

Chemotherapy can have odd effects on a person's hair and nails, but in one man's case, the cancer treatment created a particularly striking pattern.

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What Made Leonardo da Vinci Such a Great Artist? 'Crossed Eyes' May Have Helped

The famed Renaissance artist may have had an eye condition that helped him better-depict the 3D world on a flat surface.

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China May Soon Have a Second (Artificial) Moon

Moonlit skies over the Chinese city of Chengdu may get a boost from a second moon.

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An Unknown 'Disease X' Could Become an Epidemic. Can We Find It Before It's Too Late?

Experts warn we need to pay more attention to animal health to stop Disease X, a hypothetical epidemic caused by a species-hopping pathogen.

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X-37B Military Space Plane Wings Past 400 Days on Latest Mystery Mission

The latest mystery mission of the U.S. Air Force's robotic X-37B space plane has now passed the 400-day mark.

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Baby Names Show Enormous Gender Gap

Baby boys get aggressive names, while girls get names associated with beauty and pampering.

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How Close Are We to Kubrick's AI-Controlled Vision of the Future?

AI like the malevolent HAL in the movie "2001" are already among us.

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Hail the Lizard King. T. Rex's Puny Arms Were Useful After All.

The ferocious dinosaur wants people to stop mocking its tiny arms.

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Stephen Hawking's Children and Colleagues Discuss Physicist's Final Book, Legacy

In his final book, released Oct. 16, Stephen Hawking tackles big questions about the universe, delving into physics, cosmology, the existence of God and the future direction of humanity.

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Can Burger King's 'Nightmare King' Really Give You Bad Dreams?

A new, limited-time-only burger at Burger King has a peculiar selling point: It's supposed to give you nightmares.

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Stephen Hawking's Final Book Says There's 'No Possibility' of God in Our Universe

Is there room for God in the endless, expanding universe? In his final book, Stephen Hawking says no.

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One of the World's Oldest and Largest Organisms Is Dying, and It's Mostly Our Fault

The aspen clone in Utah is on the decline

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Physicists Model Electrons in Unprecedented Detail — Spoiler Alert: They're Round

Electrons are extremely round, and some physicists will not be pleased about it.

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Immune System: Diseases, Disorders & Function

The job of the immune system is to protect against disease.

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Ancient Sea Monsters Swallowed a Lot of Salty Water. This Is How They Got Rid of It.

Ancient sea monsters inadvertently swallowed mouthfuls of seawater whenever they gulped down prey, but they had a stealthy trick to get rid of all that unwanted salt in their systems.

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Aquifers: Underground Stores of Freshwater

Aquifers are underground layers of rock that are saturated with water that can be brought to the surface through natural springs or by pumping.

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Gestational Diabetes: Symptoms, Diagnosis & Complications

Gestational diabetes is a type of diabetes that develops, or is first diagnosed, during pregnancy. The condition, like other forms of diabetes, involves high blood sugar levels.

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Why Does This Glacier Near Everest Make Loud Booming Sounds at Night?

Each night, the glacier made noises loud enough to keep a team of scientists camping on its surface awake. They figured out why.

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Albuterol: Dosage & Side Effects

Albuterol is a prescription medicine prescribed for patients struggling with asthma, emphysema, bronchitis and other lung diseases.

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Why Is it Fun to Be Frightened?

Visiting an extreme haunted house can be delightfully terrifying.

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Jam-Resistant US Military Communications Satellite Lifts Off in Midnight-Hour Launch

An advanced U.S. military communications satellite soared into space in the midnight hour Wednesday (Oct. 17), lighting up the sky over Florida as it launched into orbit.

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Why Elizabeth Warren's Claim to 'Native' Ancestry Goes Beyond Blood

Sen. Elizabeth Warren's DNA test results indicate she has Native American ancestry. But what does that really mean?

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Why Life Expectancy in 2040 Could Be Lower Than It Is Today

Life expectancy is expected to rise in 2040, under most circumstances

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Mount St. Helens Eruption: Facts & Information

Picturesque Mount St. Helens erupted on May 18, 1980 and remains the most destructive example of volcanic activity in the United States.

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11 Fascinating Facts About Our Milky Way Galaxy

We should all get to know our galactic home better.

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A Mysterious Polio-Like Illness Is on the Rise in Kids. Scientists Don't Know Why.

Dozens of children across the United States have developed a rare polio-like illness, but the reason for this spike in cases remains a mystery, according to health officials.

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Photos: Peer at Glittering Insect Eyes and Glowing Spider Babies in Prizewinning Photos

See the spectacular closeup views of very tiny things, in the winning images of the 2018 Nikon Small World microphotography contest.

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How the Small Intestine Works

The small intestine is about as big around as a middle finger, but it is about 22 feet (6.7 meters) long.

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Spangled Beetle Eye and Retinal 'Fireworks' Dazzle in Nikon Photo Contest

A beetle eye surrounded by glittery scales took the top prize in Nikon's annual microphotography challenge.

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Why Haven't We Found Aliens? Because We're Just Not Looking Hard Enough.

We still have a long way to go in the search for intelligent aliens.

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Meet Sphen and Magic, the Same-Sex Penguin Couple Raising an Egg in Captivity

Two male penguins are raising an egg together in Sydney's Sea Life Aquarium.

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NASA Wants to Send Humans to Venus, to Live in Airships Floating on Clouds

But how is such a mission even possible?

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Defense Department Password Is Cracked in 9 Seconds. So How Safe Are US Weapons?

An evildoer with hacking skills could potentially take control of U.S. weapons systems, according to report that finds critical cybersecurity threats at the Department of Defense.

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What Is Meiosis?

Meiosis is a specialized form of cell division that produces reproductive cells, such as plant and fungal spores, sperm and egg cells.

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Do Canadian Carvings Depict Vikings? Removing Mammal Fat May Tell

Carvings uncovered in the Canadian Arctic may be the earliest portraits of the Vikings created in the Americas.

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Woman's Vomiting Bouts Tied to Mysterious Marijuana Syndrome. And Yes, Hot Showers Helped.

A woman who frequently ended up in the hospital with intense bouts of vomiting turned out to have a mysterious syndrome tied to heavy marijuana use.

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Stephen Hawking Said 'Superhumans' Will Replace Us. Was He Right?

Are we all going to be replaced?

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Last Man to Walk on the Moon Mistaken About Climate Change on Earth

Astronaut Harrison Schmitt saw Earth from space, but doesn't see that human activity is shaping climate change.

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What Is Photosynthesis?

Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunlight into chemical energy.

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Hunters May Lure 'Man-Eating' Tiger with Calvin Klein's Obsession

Officials in India are considering an unusual method to lure a man eater.

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Jewelry Worn by Marie Antoinette Is Yours — To Try on in New York City

Want to Feel Like Royalty?

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Looks Like Climate Change Will Ruin Beer for Us, Too

Terrific, now climate change is ruining beer for us, too.

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Strep Throat: Symptoms and Treatment

Strep throat is a bacterial infection. It is very contagious and can lead to severe complications.

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The Higgs Boson May Have Saved Our Universe from Cosmic Collapse. For Now.

Dark energy may be decreasing, which puts a crimp in the notion that the universe will expand forever.

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Man Dies from Extremely Rare Disease After Eating Squirrel Brains

A man in New York developed an extremely rare and fatal brain disorder after he ate squirrel brains, according to a new report of the case.

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Your Memory Could Store Up to 10,000 Faces, or More

How many faces do you retain in your memory? It's likely a lot more than you'd expect.

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Viking Ship and Cemetery Found Buried in Norway

Archaeologists discovered the anomaly using radar scans of an area in Østfold County.

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When a Drone Crashes into an Airplane, Everyone Has a Bad Time

A drone crashed into an airplane. The results were seriously scary.

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The New Fastest Camera in the World Sees Lasers Move at 10 Trillion Frames Per Second

Older cameras could watch light cross the surface of a sesame seed. This is much faster than that.

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Best Kids' Space Books for the Holidays

Feed and inspire a kid's thirst for space with these book picks by Space.com's writers and editors.

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Photos: Ancient Tomb of 'Grand Lady' Discovered in China

Archaeologists in China have uncovered the tomb of a 900-year-old "Grand Lady," along with various artifacts, such as the remains of a model house.

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900-Year-Old 'Grand Lady' Skeleton Emerges from Watery Coffin

The exquisitely preserved skeleton still had hair and fingernails. Inside her coffin was a tiny dollhouse.

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Child 'Vampire' Was Buried 1,550 Years Ago in Italy

A 1,550-year-old "vampire burial" of a child with a rock stuffed into his or her mouth has been discovered in an ancient cemetery in Lugnano, Italy.

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Real or Not? The Science Behind 12 Unusual Sightings

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Another NASA Space Telescope Sidelined by Glitch

The Chandra X-ray Observatory, which has been observing the universe in high-energy light since 1999, entered a protective "safe mode" on Wednesday (Oct. 10).

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Photos: The Power and Beauty of North America's Bighorn Sheep

The powerful bighorn sheep are icons of the American West. They are known for their epic rutting battles and being able to climb steep cliffs with the smallest of ledges. Here's a look at why they are so revered.

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Why Do Gnats Swarm?

Why do gnats insist on flying together in the same tiny air space?

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Amazing Images: The Best Science Photos of the Week

Here are the stories behind the most amazing images in the world of science this week. A recap of the coolest photos featured on Live Science.

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Moonmoons (Moons That Orbit Other Moons) Could Exist, Scientists Say

What do you call a moon that orbits another moon?

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There's a Good Chance Your Relatives' DNA Is Online. That Means Other Can Find You, Too.

Over 60 percent of people in the U.S. with European ancestry can probably be matched to at least a third cousin through genealogy databases

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Humanoid Robot Atlas Can Now Do Parkour and That's Not at All Terrifying (Oh, Yes, It Is)

Atlas, the humanoid robot that can run like a person, recently demonstrated a few new tricks.

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Plantar Fasciitis: Causes, Symptoms & Treatment

Heel pain felt during the first few steps in the morning might be plantar fasciitis, one of the most commonly diagnosed reasons for foot pain. Doctors have developed many treatment options that can help eliminate the pain.

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The FDA Found Hundreds of Supplement Brands Tainted with Rx Drugs. Most Weren't Recalled.

Over the last decade, more than 750 supplement brands have been found to be tainted with drugs, but less than half were recalled.

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Every NASA Mission Should Be Looking for Alien Life, Scientists Say

Searching for signs of alien life should be part of every NASA mission, according to a new report.

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Photos: The Bones of Mount Vesuvius

New research suggests that some victims of the Mount Vesuvius eruption in Herculaneum died almost instantly from heat shock.

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Did Vesuvius Victims' Brains Really Boil and Their Skulls Explode?

A new paper challenges the idea that many victims of Vesuvius were asphyxiated.

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Adorable Newborn Sea Monster from the Dinosaur Age Discovered in Kansas

About 85 million years ago, when a vast sea covered Kansas, a wee, little sea monster died almost immediately after it was born.

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Stephen Hawking's Final Paper Was Just Released

Stephen Hawking's final paper provides a possible way to measure how black holes store information

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Lab-Grown 'Mini-Eyes' Show How Color Vision Develops

Researchers grew human retinal tissue in a lab "from scratch."

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Astronomers Just Caught the Tiniest Cannibal Galaxy in the Universe

This cannibal galaxy is tiny, and it's right in our cosmic neighborhood.

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Puppy-Size Roaches (and Other Bizarre Creatures) Pop Up in 'Beyond the Sixth Extinction'

In a toxic landscape of the future, what strange animals might evolve?

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Liver Cancer: Symptoms and Treatment

Liver cancer is cancer that begins in the tissues of the liver, though it may also result from cancer spreading to the liver from other parts of the body.

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LaCroix Is Being Sued Over Its Ingredients. But Are They Actually Bad for You?

We talked to a food scientist.

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Mysterious Signals at the Center of Our Galaxy May Be an Optical Illusion

The universe might be tricking us with its optical illusions.

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More Cases of Rare 'Polio-Like' Illness Pop Up Around the US

More and more cases of a rare polio-like illness are being reported across the country, according to news reports.

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Astronaut and Cosmonaut Survive 'Ballistic' Fall to Earth After Failed Soyuz Launch

Sometime after 4:40 am Eastern, something went wrong with a rocket booster carrying two people to the International Space Station.

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Giant, Prehistoric Bird Chowed Down on This Neanderthal Child's Bones

One Neanderthal child had a very bad day about 115,000 years ago. The child died — that much is certain — and the bones were gulped down and digested by a giant, prehistoric bird, according to archaeologists in Poland.

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Mysterious Leptoquarks Could Bind Both Types of Matter. That Is, If They Exist

The leptoquark is down to couple with leptons and quarks.

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Astronomers Confirm Earth Is Being Bombarded with Ancient, Invisible Energy from Another Galaxy

The brightest lights you cannot see are bombarding Earth from another galaxy, and they could be signs of aliens.

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Mount Etna's Slide into the Sea Could Trigger a Catastrophic Collapse

New research raises questions about Mount Etna's dangers.

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Brave Volunteers Got Whooping Cough Bacteria Put Up Their Noses, For Science

Thirty four people in the United Kingdom volunteered to get live whooping cough bacteria dripped into their noses, for science.

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Hurricane Michael Is Officially More Powerful than Hurricane Katrina

The storm struck the Gulf coast of Florida this afternoon as the third most intense hurricane ever to strike the continental U.S., and the most intense since 1969.

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Peer into Hurricane Michael's Mesmerizing Eye in This Eerie Time-Lapse Video

A close-up view captures the whirling clouds circling Hurricane Michael's eye

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Why Did Hurricane Michael Become Such a Monster Storm So Quickly?

Forecasters watching Hurricane Michael barrel toward the Gulf coast of Florida earlier this week saw the storm do something "most unusual."

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How This Time-Traveling Illusion Tricks Your Brain

Would you like to travel back in time, even if only for a moment?

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Alien-Hunting Agents Seek the Truth About UFOs in 'Project Blue Book'

How (and why) was the U.S. Air Force investigating UFOs between 1952 and 1969?

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Hurricane Michael Strengthens to 'Unprecedented' Category 4 Storm Overnight

Florida is bracing for winds up to 140 mph and a potentially deadly storm surge.

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The HPV Vaccine Was Just Approved for Adults Up to Age 45. Should They Get It?

Should more adults be getting the HPV vaccine?

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Lost Chain of Underwater Volcanoes Is a Massive Whale Superhighway

There is an ancient "highway" of massive, underwater volcanoes near Tasmania, and apparently whales love it.

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See Hurricane Michael from Space in These Satellite Images

Hurricane Michael is expected to hit the Florida panhandle as a major storm on Wednesday afternoon (Oct. 10) — and U.S. weather satellites are busy watching the storm to help meteorologists keep people safe.

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Scientists Find Weird Reason Diving Plates Get Stuck 400 Miles Beneath Earth's Surface

A slippery layer beneath Earth stops chunks of crust in their tracks, creating "stagnant slabs" in the middle of the mantle.

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This Is the Oldest Known Inscription Bearing the Full Name of Jerusalem

This is the first known instance of the modern spelling of the city's name.

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Typhus Outbreak Tied to Fleas Sickens Dozens in LA

Dozens of people in the Los Angeles area have fallen ill with typhus, a relatively rare bacterial disease spread by fleas.

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Cholesterol Levels: High, Low, Good & Bad

HDL is “good” cholesterol; LDL is “bad” cholesterol. HDL helps lower LDL. Too much LDL can lead to heart disease and heart attacks.

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Pink Eye (Conjunctivitis): Causes, Symptoms & Treatment

Pink eye, or conjunctivitis, develops when the blood vessels in the eyeball get inflamed by a virus, bacteria, foreign object or allergic reaction.

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Europa Might Have 50-Foot Spikes on Its Surface that Could Destroy Visiting Spacecraft

It's almost as if Europa has something it doesn't want us to see.

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Nobel Prize in Economics: 1969-Present

Winners of the Nobel Prize in economics, including Paul Krugman, Daniel Kahneman and Milton Friedman.

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Petrified Chains of Poop Turn Out to Be One of Earth's Oldest Skeletons

This may be the oldest non-microscopic creature with a skeleton.

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This Man's 'Pancake' Kidney Looks Like It Sounds

A medical scan revealed an "extraordinarily rare" condition.

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Tomb of a Pharaoh's 'Sole Friend' and 'Keeper of the Secret' Found in Egypt

Though the 4,400-year-old tomb had been robbed, archaeologists found the remains of a statue with inscriptions referring to its owner inside.

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Huge Iceberg Poised to Break Off Antarctica's Pine Island Glacier

A newly discovered long and craggy rift is splintering across West Antarctica's Pine Island Glacier, satellite images show.

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A Geyser Erupted in Yellowstone and 80 Years of Human Trash Poured Out

The geyser spewed up an old cinderblock and a pacifier from the 1930s, among other things.

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Rare 'Polio-Like' Illness Diagnosed in 6 Minnesota Kids

Six children in Minnesota have been diagnosed with a rare illness that resembles polio, according to news reports.

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Columbus Discovered the New World … So Why Isn't America Named After Him?

Christopher Columbus famously sailed the ocean blue in 1492, so why isn't the New World named after him?

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How Bad Is Bacon for You, Really?

It's a debate that plays out in everyone's head during a weekend brunch: Should I be eating this much bacon?

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How Did Christopher Columbus Become a National Symbol?

An anthropologist tells the story of how Columbus actually came close to falling into historical obscurity, until American hubris got in the way.

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A Man Took Antibiotics Before Going to the Dentist. He Developed An Ultra-Rare Brain Side Effect

As scary as it may sound, a root canal is a fairly routine dental procedure. But for one 60-year-old man, the procedure turned life threatening.

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SpaceX to Attempt 1st West Coast Falcon 9 Rocket Landing on Sunday

Smoke billowed around a SpaceX Falcon 9 rocket on Tuesday, Oct. 2, as it briefly fired its engines during a preflight test from SLC-4E at California's Vandenberg Air Force Base.

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It's Raining Tiny Particles from Saturn's Innermost Ring

To Earthling eyes, the gap between Saturn and its rings looks calm, but scientists destroy that illusion in new research, laying out a set of unexpectedly complicated phenomena dancing through that emptiness.

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Scientists Across the Globe Are Hunting for Pure Randomness

Quantum weirdness and Twitter feeds add to the entropy in these public randomness beacons.

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Tiny Hawaiian Gecko Accidentally Calls "a Bazillion" People from Hospital Phone, Wins the Internet

Oh, hi, guys. It's me, Mr. Gecko.

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A Man Took Too Much Erectile Dysfunction Drug. Then His Vision Turned Red

A high dose of an online-bought erectile dysfunction drug caused a man's vision to turn red

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Acetaminophen: Dosage, Side Effects & Overdose

Acetaminophen is an over-the-counter pain reliever works by elevating the pain threshold so that only more intense pain is felt.

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Therapy Dogs Can Spread MRSA to Young Cancer Patients. Here's How to Prevent It.

Petting a therapy dog can help reduce stress and anxiety in kids with cancer, but a visit from one of these furry friends can also spread dangerous germs to these vulnerable children.

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Man Captures Stunning, Rare Video of a Fight Between Two Huge Moose

A New Brunswick man named Denis Levesque came upon the astonishing scene and captured it on video.

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What Are X-Rays?

X-rays are a form of electromagnetic radiation. One of the most common uses of X-rays is for medical imaging. X-rays are also used in treating cancer and in exploring the cosmos.

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Pigs, Hogs & Boars: Facts About Swine

Pigs are mammals with stocky bodies, flat snouts, small eyes and large ears. They are highly intelligent, social animals, and are found all over the world.

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Cancer's Spread May Depend on Weird, Newfound Fluid Physics

Tumors are controlled by a previously unknown type of physics specific to living tissue.

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The Pentagon Wants to Make an Army of Virus-Spreading Insects. Scientists Are Concerned.

The Pentagon wants to make an army of virus-spreading insects, theoretically to help with food security. But scientists are worried.

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An 8-Year-Old Girl Pulled This 1,500-Year-Old Sword Out of a Swedish Lake

While spending the day near their summer home, Saga the reached into a lake and felt something hard and metallic greet her fingers.

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No, Particle Accelerators Will Not Destroy the Planet, But Humans Might

"The stakes are very high"

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Why Flu Epidemics Work Differently in Big American Cities

A new paper highlights new and unique problems with how influenza moves through dense urban centers in the US.

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Medieval Germans Riddled with Tapeworms

Archaeologists peek into the past by prodding preserved human poo.

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Why Cases of UTIs Increase During Summer: It Really Is the Weather

Cases of urinary tract infections (UTIs) spike every summer, and now a new study suggests why: It may really be the weather.

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500-Year-Old Scroll Reveals King Henry VII's Extraordinary Support of Travelers to New World

In 1500, just a year after England sent its first British-led expedition to "Terra Nova," the so-called New World, King Henry VII gave a hefty reward to one of the explorers, new research shows.

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Hemorrhoids: Symptoms, Causes and Treatment

About 2 million Americans are treated for hemorrhoids each year.

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13 Hyperfast, Alien Stars Are Invading the Milky Way

Hyperfast stars that are flying through the Milky Way may have been flung out from a nearby galaxy.

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Men Fined $1 Million for Trafficking $17 Million Worth of Squishy Sea Cucumbers

Two men were charged with smuggling an astonishing $17 million worth of sea cucumbers through San Diego over a period of two years. Authorities have charged them with $1 million in fines and two years' probation.

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US Air Force: Don't Worry About Those Weird Lights and Booms Sunday, It's Just a Space Ship

SpaceX will attempt to launch and land a rocket on the West Coast Sunday, and the USAF wants Californians to know in advance so they won't worry.

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Ibuprofen: Dosage, Side Effects & Other Facts

The anti-inflammatory painkilling drug ibuprofen is effective against fever, menstrual cramps, headaches, toothaches, joint pain and backaches.

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Rare, Blue Jellyfish-Like Creatures Wash Ashore in NJ, Puzzling Beachgoers

A weird, brilliant blue creature with feathery-like strands is washing ashore onto the beaches of New Jersey.

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These Frogs Are Evolving to Survive a Murderous Fungus That Tries to Stop Their Hearts

Decades after chrytrid fungus began its deadly rampage through the world's frog populations, a community of tropical frogs has managed to adapt.

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Stephen Hawking's 1st Wife Blasts Biopic 'The Theory of Everything'

Jane Hawking says the film got a lot of things wrong about her life with the renowned physicist.

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Physicist Who Coined 'God Particle' Dies. And a Great Voice for Science Is Stilled.

It is a sad "day" in science. Dr. Leon Lederman has passed away at the age of 96.

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It Turns Out Most Cobras Are Cannibals

It turns out, cobras get a disturbingly large percentage of their calories by eating others of their own kind.

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Mama Giraffes' Spot Patterns Are Passed Down to Their Babies

Young giraffes inherit much of the detail in their spots from their mamas.

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A Chiropractor Adjusted Her Neck. Then This Woman's Vision Problems Began

A woman experienced eye damage after a chiropractor manipulated her neck.

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No, Drinking Diet Soda Won't Poison Your Gut Bacteria, But It Could Do Harm

Are artificial sweeteners bad for your gut?

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Is Your Dog Super Smart? No, LOL

The authors of a new paper suggested that scientists have overstated dog smarts. But a dog researcher tells Live Science we should study canines anyway.

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Brown Rice: Health Benefits & Nutrition Facts

Brown rice is a highly nutritious grain. It is good for the heart, aids digestion and may reduce the risk of cancer, diabetes and high cholesterol.

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Einstein's Religion-Bashing 'God Letter' Expected to Sell for $1.5 Million at Christie's

Einstein's famous letter about God is set to go up for auction.

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Nobel Prize in Chemistry: 1901-Present

A list of the winners of the Nobel Prize in Chemistry, including Marie Curie, Roger Kornberg and Otto Hahn.

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Chemistry Nobel Awarded to Biologists for Taking the Reins on Evolution

Evolution is unfolding in test tubes.

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Health Problems in Women Can Persist Years After Sexual Assault

Women can experience lingering health problems years after workplace sexual harassment or a sexual assault happen, a new study finds.

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Ancient Mediterranean 'Juglet' Contained Traces of Opium

A curious-looking container, discovered in the Mediterranean and dating back to more than 3,000 years ago, has been found to contain traces of opium.

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Microbes Were Just Found in 'Dark Biosphere' Where They Shouldn't Exist

Cyanobacteria were recently (and unexpectedly) found living in "the dark biosphere," thousands of feet underground.

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Airtight Iron Coffin Found in Queens Held a Mysterious 19th-Century Mummy

How did a 19th-century mummy in an iron coffin end up in a Queens construction site?

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Stone Engravings of Famous Warrior Pharaoh Found in Ancient Egyptian Temple

The inscription show Seti I, a pharaoh who launched military campaigns in North Africa and the Middle East.

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Astronomers Find Another Clue That Planet X Is Lurking Out There

Scientists have discovered another marker on the trail toward the putative Planet Nine — an extremely distant dwarf planet called 2015 TG387, and nicknamed 'The Goblin.'

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Tiny Robots Inspired by Sperm Want to Swim Around Your Body Delivering Drugs

The future of medicine may rest on sperm robots.

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This Test Can Measure the 'Dark Core' of Your Personality

Certain personality traits have a common origin.

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The Flu (Influenza): Causes, Symptoms & Treatment

The flu (short for influenza) is a respiratory virus that affects the throat, nose, bronchi and, sometimes, the lungs.

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This Beached Shark Tore a Beached Whale to Shreds (And It's All on Video)

First a whale beached itself on a Mozambqiue beach. Then the sharks came.

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Photos: The Devastating Damage from Indonesia Earthquake and Tsunami

More than 1,200 are estimated to be dead after a powerful earthquake and tsunami ravaged the Indonesian island of Sulawesi.

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A Physicist Said Women's Brains Make Them Worse at Physics — Experts Say That's 'Laughable'

Live Science fact-checked a physicist's claims about women's brains and discrimination against men with actual experts in brains and discrimination.

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Hospital Curtains Can Be a Prime Place for Germs, Including Superbugs

The next time you're at a hospital, you might want to think twice before touching the privacy curtains that hang around patient beds, a small new study finds.

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A Woman Was Hit By a Wave at the Beach. It Ruptured One of Her Arteries.

A woman's beach vacation took an unexpected turn when she was hit so hard in the neck by a wave that it ruptured one of her arteries.

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Rare Quintuple Rainbow Captured by Photographer in New Jersey

Here's how the 5-in-1 rainbow formed.

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Nobel Prize in Physics Shared by Woman for 1st Time in 55 Years

Donna Strickland joins the ranks of Marie Curie and Maria Goeppert-Mayer.

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Corked Tiger Wine? Enter to Win This Book on Wildlife Smuggling

Have you ever joined a poacher as he checks traps for pangolins and otters in Vietnam? Join us on Facebook Live at 12:30 p.m. EDT on Wednesday (Oct. 3) to see Live Science interview an investigative reporter who has scrutinized wildlife trafficking.

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Vitamin E: Sources, Benefits & Risks

Vitamin E is vital to keeping healthy and preventing various diseases. A healthy diet should provide all that you need.

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Photographer Captures Rare, White Deer Mid-Sneeze (Because Nature Is Majestic)

Aww (choo).

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Naked Servant Depicted in Newly Discovered 2,200-Year-Old Tomb Mural

A naked man holding a wine jug and a vase is just one of many figures depicted in a 2,200-year-old mural of a banquet that's decorating a newly discovered tomb in Italy.

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7.5-Magnitude Earthquake and Tsunami Devastate Indonesia

Rescue efforts continue.

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Atom Smasher Detects Hints of New Unstable Particle

The world's largest atom smasher has identified two totally new particles.

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Drinking More Water Really Does Ward Off UTIs

Drinking an extra six glasses of water a day may reduce some women's risk of urinary tract infections (UTIs), according to a new study.

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Fossil of Oldest Flowering Tree in North American Discovered. And It Was Huge.

Flowering trees were part of the North American landscape in the Cretaceous period.

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Pluto Should Be a Planet and So Should Earth's Moon, New Study Claims

Sing along if you know the words: When the moon hits your eye, like a big pizza pie, that's a planet!

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New Jersey Man Dies from 'Brain-Eating' Amoeba

A New Jersey man died after contracting a "brain-eating" amoeba called Naegleria fowleri, according to news reports.

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Grinning-Skull Asteroid Set to Whiz by Earth

The "Halloween asteroid" will be a little late this year.

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Nobel Prize in Medicine Awarded to Scientists Who Developed Breakthrough Cancer Treatment

The two men, James P. Allison and Tasuku Honjo, figured out how to use a person's immune system to attack tumors.

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