Παρασκευή 31 Ιουλίου 2020

260 kids and teens infected with COVID-19 at Georgia sleepaway camp

Measures taken by the camp were not enough to prevent an outbreak.

via Livescience.com https://ift.tt/2XeO2Hj

COVID-19 linked to heart damage in healthy people, small study suggests

Most of the study participants had mild or moderate COVID-19 symptoms and were not hospitalized.

via Livescience.com https://ift.tt/2XbxFew

First COVID-19 double-lung transplant patient goes home

The 28-year-old has a good outlook for recovery, her surgeon said.

via Livescience.com https://ift.tt/33c77xs

Ancestors of coronavirus have been hiding out in bats for decades, ready to infect humans

The SARS-CoV-2 lineage circulated in bats for 50 or 60 years before jumping to humans at the end of last year, a new study finds.

via Livescience.com https://ift.tt/2DnKBHj

Sperm don't swim anything like we thought they did, new study finds

New high-speed video reveals human sperm don't swim like we thought.

via Livescience.com https://ift.tt/318KVSr

Great white fatally attacks woman in Maine. How common is this?

A woman swimming in Maine was fatally attacked by a white shark.

via Livescience.com https://ift.tt/2CZwpV8

3,000-year-old head may be face of God

A clay head that dates back almost 3,000 years may be a rare depiction of Yahweh, or God. But other archaeologists aren't convinced.

via Livescience.com https://ift.tt/2EtmLKz

Mind-controlling fungus makes zombie cicadas lure other cicadas to a zombie fate

Not only does the fungus Massospora infect cicadas, eat their bodies and turn them into mind-controlled zombies, it forces them to attract more cicada victims.

via Livescience.com https://ift.tt/3jZz8OM

Live Science podcast 'Life's Little Mysteries' special report: Coronavirus (July 30)

In this special episode of Life's Little Mysteries, we'll give you the latest news and answer frequently asked questions about the new coronavirus and COVID-19.

via Livescience.com https://ift.tt/2BMfbdd

Πέμπτη 30 Ιουλίου 2020

NASA: Mars rover Perseverance in 'safe mode' after launch, but should recover

NASA's Mars 2020 Perseverance rover entered "safe mode" after a successful launch Thursday (July 30), but should recover, NASA says.

via Livescience.com https://ift.tt/3fantJj

Why NASA's Mars rover Perseverance will use nuclear power to stay warm

A spacecraft is only as strong as its power source, which is why when NASA was designing its Perseverance Mars rover, the agency turned to radioactive plutonium.

via Livescience.com https://ift.tt/3gekSzn

Returned chunk of Stonehenge solves long-standing monument mystery

A restoration worker kept a chunk of Stonehenge more than 60 years ago. He returned it last year and now the stone has solved a long-standing mystery.

via Livescience.com https://ift.tt/2P8JmhJ

Sleeping microbes wake up after 100 million years buried under the seafloor

The microbes had been dormant below the ocean floor for eons, buried since the time of the dinosaurs. Then a team of scientists in Japan woke the little organisms up.

via Livescience.com https://ift.tt/3ffQMKF

Liftoff! NASA's Perseverance rover is headed to Mars

NASA's Mars Perseverance rover left Earth's atmosphere and began the long journey to Mars this morning under clear skies. 

via Livescience.com https://ift.tt/2XbbogQ

Τετάρτη 29 Ιουλίου 2020

What is chemistry?

Chemistry is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.

via Livescience.com https://ift.tt/2wCj3JL

Ruthless Australian 'assassin flies' named for Thor, Deadpool — and Stan Lee

Biologists named 5 newly-described species of Australian "assassin flies" after Thor, Loki and other Marvel heroes.

via Livescience.com https://ift.tt/3f7RWbb

Spooky, soul-piercing 'Jesus Lamb' face is exactly what its original artists intended

Recent restoration work of the multi-panel artwork "Adoration of the Mystic Lamb" corrected prior restoration on a sheep representing the sacrifice of Jesus Christ.

via Livescience.com https://ift.tt/3fhUlAc

Dozens of scientists and others took a DIY COVID-19 vaccine with no proof that it works

A scientific collaborative designed the vaccine without government or ethical oversight.

via Livescience.com https://ift.tt/2BFY0Kh

Mars Perseverance launches on Thursday. Here's how to watch.

NASA's Mars Perseverance launch, set for Thursday, July 30, will send a new rover to the Red Planet to search for ancient habitable environments and microbial life.

via Livescience.com https://ift.tt/2DghjKu

Watch live: NASA launches Mars Perseverance rover to the Red Planet

You can watch the historic NASA launch of the Mars 2020 mission here on Live Science.

via Livescience.com https://ift.tt/3fb9y5G

Τρίτη 28 Ιουλίου 2020

XPrize launches $5 million competition for better COVID-19 tests

There will be five winning teams, each receiving $1 million.

via Livescience.com https://ift.tt/3hJVkKP

Dozens of hand sanitizers contain a toxic ingredient. How do you know yours is safe?

Hand sanitizers containing methanol can cause nausea, nerve damage and death.

via Livescience.com https://ift.tt/3g7d4j7

Pentagon's secret, defunct UFO-hunting program may still exist

A federal program for investigating UFOs was purportedly discontinued in 2012, but the Pentagon's search for UFOs never stopped. Its findings may soon be released to the public.

via Livescience.com https://ift.tt/39BRcKk

How NASA's Mars 2020 Perseverance rover will get to the Red Planet

Here are all the major milestones of the Mars 2020 mission to the Red Planet, from launch to landing.

via Livescience.com https://ift.tt/39xGwwb

US Space Force hires a horse to boldly go where rockets can't. (The beach)

The United States Space Force has a new recruit in their mission to keep planet Earth safe. His name is Ghost, and he likes to go clip-clop on the beach.

via Livescience.com https://ift.tt/30OEF20

Ornament hook stuck in infant's throat for months led to seizures, brain lesions

Fortunately, the child recovered after the hook was removed.

via Livescience.com https://ift.tt/3hFHCJ5

Δευτέρα 27 Ιουλίου 2020

A Martian meteorite is going home, in NASA's Perseverance mission launch

London's Natural History Museum is sending a piece of a Martian meteorite back to the Red Planet with the Perseverance rover.

via Livescience.com https://ift.tt/30SrQDN

Late-stage coronavirus vaccine trial starts today in the US

This is the first phase 3 clinical trial on a coronavirus vaccine candidate to begin in the U.S.

via Livescience.com https://ift.tt/3g5K4bo

NASA camera spots China's Tianwen-1 Mars spacecraft speeding away from Earth

An observatory affiliated with NASA's quest to identify potentially dangerous asteroids spotted something equally speedy but not quite as natural: a spacecraft bound for Mars.

via Livescience.com https://ift.tt/3061qPX

Where is Cleopatra's tomb?

The chances of finding Cleopatra's tomb are pretty low, experts say, despite claims to the contrary.

via Livescience.com https://ift.tt/2OZPusy

Adorable, bug-size sunfish babies grow up to be giant 'swimming heads'

Scientists have identified the larvae of one of the world's biggest fishes — the bump-head sunfish (Mola alexandrini) — and the youngster is ridiculously tiny.

via Livescience.com https://ift.tt/3jFQhgm

Super space sunblock made from skin pigment could shield astronauts from radiation

Better shielding through chemistry

via Livescience.com https://ift.tt/3hEtkbv

Live Science podcast 'Life's Little Mysteries' 43: Mysterious Evolution

Evolution has shaped all organisms on Earth — living and extinct — producing an astonishing diversity of life and defining relationships between species.

via Livescience.com https://ift.tt/3f8bs77

Κυριακή 26 Ιουλίου 2020

Σάββατο 25 Ιουλίου 2020

Hanna becomes 1st Atlantic hurricane of the season, as it treks toward Texas

Tropical Storm Hanna, now packing maximum sustained winds of 75 mph (120 km/h), has become the first Atlantic hurricane of the season, as it treks west toward the coast of Texas

via Livescience.com https://ift.tt/30KQuX0

The curtain is about to come down on Comet NEOWISE

The brightest comet to appear in Northern Hemisphere skies in nearly a quarter of a century will soon be ending its run as a naked-eye object.

via Livescience.com https://ift.tt/2D2AKGL

What could drive humans to extinction?

Pandemics, climate change, artificial intelligence: these are just some of the wide-ranging threats to humanity's survival. But they all have one factor in common...

via Livescience.com https://ift.tt/30NOWLM

Παρασκευή 24 Ιουλίου 2020

Albatrosses: Facts about the biggest flying birds

Albatrosses are big, majestic birds found soaring above most of the world’s oceans.

via Livescience.com https://ift.tt/3eUW2TX

SpaceX satellites keep wrecking images of comet NEOWISE

The comet NEOWISE is visible in the dawn sky right now, but photographers are facing a new challenge when they try to capture it: the SpaceX fleet of Starlink satellites.

via Livescience.com https://ift.tt/32Pz3Hq

1 in 4 young adults with COVID-19 still have symptoms weeks later

About a quarter of young adults were still not back to their normal health weeks after contracting the infection, even if they had no underlying medical conditions.

via Livescience.com https://ift.tt/2D690kg

COVID-19 antibodies may fade, but vaccine hopes have not

We are not yet sure how long COVID-19 immunity lasts, but experts agree that there is little cause for alarm and that a vaccine will likely still be successful.

via Livescience.com https://ift.tt/2CKiaTT

Jewish doctors in Nazi-occupied Poland stopped an epidemic in its tracks. Here’s how.

Despite overcrowding, exposure and starvation, community efforts in Poland's Warsaw ghetto spared thousands of people from being sickened by typhus.

via Livescience.com https://ift.tt/2OSzp87

Little ancient Egyptian mummies hold surprises inside … and they aren't human

One of these tiny mummies held the remains of a bird missing certain body parts.

via Livescience.com https://ift.tt/3jC3oiu

Here are the most promising coronavirus vaccine candidates out there

Scientists around the world are creating dozens of unique vaccine candidates to fight the novel coronavirus — and they're doing it at unprecedented speeds.

via Livescience.com https://ift.tt/3fYIZ5c

Multiplanet system around sunlike star photographed for 1st time ever

For the first time ever, astronomers have directly imaged multiple planets orbiting a sunlike star.

via Livescience.com https://ift.tt/2WQAiSO

Abandon ship! 18th-century pirate Blackbeard deliberately grounded his leaky boat

The 18th century ship Queen Anne's Revenge, helmed by the pirate Blackbeard, was deliberately run aground by the notorious outlaw.

via Livescience.com https://ift.tt/2BqjaMb

Live Science podcast 'Life's Little Mysteries' special report: Coronavirus (July 23)

In this special episode of Life's Little Mysteries, we'll give you the latest news and answer frequently asked questions about the new coronavirus and COVID-19.

via Livescience.com https://ift.tt/3hvS31z

Πέμπτη 23 Ιουλίου 2020

Breastfeeding appears safe for mothers with COVID-19, if they take precautions

The mothers wore surgical masks and washed their hands before having contact with their babies.

via Livescience.com https://ift.tt/2WPDb6e

First underwater methane leak discovered near Antarctica — and scientists are worried

Researchers detected the first underwater methane leak in Antarctica, and the microbes responsible for eating it aren't doing their job.

via Livescience.com https://ift.tt/3hHmL8n

Russia just tested anti-satellite space weapon, US claims

The U.S. government says Russia tested an anti-satellite space weapon July 15. Russia says it was an inspector satellite. Nothing was destroyed.

via Livescience.com https://ift.tt/3fYjGju

Hummingbird-size dinosaur may actually be a lizard

A teensy "dinosaur" head found in amber might actually belong to an ancient lizard.

via Livescience.com https://ift.tt/39oZHYI

Mysterious force destroys monster black hole's ring of plasma

Telescopes all over the world watched a bright flash light up space around a distant, supermassive black hole. And then, within hours, it was gone.

via Livescience.com https://ift.tt/3hnWpYC

China launches ambitious Tianwen-1 Mars rover mission

The Tianwen-1 mission launched atop a Long March 5 rocket from Wenchang Satellite Launch Center early this morning (July 23), kicking off a seven-month cruise to Mars.

via Livescience.com https://ift.tt/2Bs5oZC

Are Earth's magnetic poles about to swap places? Strange anomaly gives clues.

A strange magnetic anomaly at St. Helena could shed light on whether Earth's magnetic poles are about to swap places.

via Livescience.com https://ift.tt/32TDrVE

What happens when the ICU is full?

COVID-19 has placed a strain on ICUs across the U.S.

via Livescience.com https://ift.tt/3jHKRSa

Τετάρτη 22 Ιουλίου 2020

Woman's migraine medication caused a bizarre 'medieval' disease

The rare reaction caused a burning sensation in her legs and the loss of one of her toes.

via Livescience.com https://ift.tt/2WOfRWF

'Screaming mummy' may have died of a heart attack, researchers say

An Egyptian woman who was mummified with her mouth open in a silent scream probably died of a heart attack, new research finds.

via Livescience.com https://ift.tt/3hxchs5

Strange, spiral bee combs look like fantastical crystal palaces. Now we know why.

The stingless Tetragonula bees build nests in strange, spiral shapes. New research offers a reason why.

via Livescience.com https://ift.tt/3ju8bmb

First Americans may have arrived to the continent 30,000 years ago

A cave in Mexico has human-made stone tools dating to about 30,000 years ago.

via Livescience.com https://ift.tt/3fPJeiY

Meteors more massive than the dinosaur-killing asteroid struck Earth 800 million years ago

A shower of meteors that slammed into the moon (and Earth) had a collective mass estimated to be as much as 60 times that of the asteroid that blasted Earth at the end of the Cretaceous period.

via Livescience.com https://ift.tt/3hr0vPP

Random testing in Indiana shows COVID-19 is 6 times deadlier than flu

Random testing in Indiana found that Hispanic populations are especially impacted by the coronavirus. It also showed COVID-19 is 6 times deadlier than the flu.

via Livescience.com https://ift.tt/2Bl85vU

Powerful 7.8-magnitude earthquake strikes off Alaska coast

A powerful 7.8-magnitude earthquake struck off the coast of Alaska, south of the Aleutian Islands, in the wee hours of Wednesday morning (July 22), prompting fear of a tsunami, the U.S. Geological Survey reported.

via Livescience.com https://ift.tt/3hpu1W1

Τρίτη 21 Ιουλίου 2020

Scientists unveil largest 3D map of the universe ever

Scientists unveiled the largest 3D map of the universe ever, showing its expansion rate over 11 billion years.

via Livescience.com https://ift.tt/3jrd67r

Here's why the United Arab Emirates launched a mission to Mars

The United Arab Emirates' probe Hope is on its way to Mars, marking the first planetary science mission led by an Arab country. Here's why.

via Livescience.com https://ift.tt/3jrcYot

Why hasn't contact tracing managed to slow the massive surge of coronavirus in the US?

Contact tracing must be paired with other strategies to reduce viral spread.

via Livescience.com https://ift.tt/39iVvcZ

Ancient Greeks may have built 'disability ramps' on some temples

Ramps built on some ancient Greek temples were likely placed there to aid the disabled, elderly, pregnant and very young.

via Livescience.com https://ift.tt/2ZKu4Wy

Comet NEOWISE: 10 big questions (and answers) about the icy wanderer

Comet NEOWISE has returned to the skies and is delighting skywatchers. So what makes this comet so special?

via Livescience.com https://ift.tt/3jsFc2f

Picasso painting found hidden beneath his famous 'Still Life'

A hidden drawing by Pablo Picasso has been found beneath one of the artist's abstract paintings, called "Still Life."

via Livescience.com https://ift.tt/2WGH7X4

Archaeologists discover palace where Aztec emperor was killed

The remains of an Aztec palace where emperor Moctezuma II was held captive by the Spanish and killed in 1520 has been discovered in Mexico City.

via Livescience.com https://ift.tt/3jkn36F

Δευτέρα 20 Ιουλίου 2020

Scientists accidentally create 'impossible' hybrid fish

Hungarian scientists accidentally created a hybrid of a Russian sturgeon and an American paddlefish, leading to a long-nosed "sturddlefish" baby.

via Livescience.com https://ift.tt/3eHAz0p

Oxford vaccine prompts immune response, shows promise in early results

The Oxford vaccine triggered participants to build up immune cells against the virus without causing any severe reactions.

via Livescience.com https://ift.tt/3jlclg1

Steaming river of black sludge floods through Arizona

After the Bighorn Fire burned a large area near Pima County, Arizona, a river of dark sludge rushed toward town.

via Livescience.com https://ift.tt/2DVVcJC

Iron age 'murder' victim unearthed outside of London

The ancient skeleton of a man thrown face-down into a ditch with his hands bound in front of him has been unearthed just outside of London. The man may have been the victim of an Iron Age murder or execution.

via Livescience.com https://ift.tt/3jozgHx

Mathematician predicted violent upheaval in 2020 all the way back in 2012

In 2012, Peter Turchin made a bold prediction: The United States was on track for a chaotic, violent 2020.

via Livescience.com https://ift.tt/2WCnkbm

Σάββατο 18 Ιουλίου 2020

Live Science parent company launches new health and fitness website

Future plc has launched a new health brand we think you'll love. Called FitandWell.com, the website is meant to help anyone interested in improving their overall health and fitness, regardless of gender, age or fitness level.

via Livescience.com https://ift.tt/3hhvptZ

Dazzling Comet NEOWISE could be an astronomical bonanza

Astronomers are buzzing about Comet NEOWISE, which observers under clear, dark skies in the Northern Hemisphere can currently see with the naked eye.

via Livescience.com https://ift.tt/30v33Wq

How did bachelor and bachelorette parties get started?

Debauchery didn't become a common theme until the Sexual Revolution.

via Livescience.com https://ift.tt/3eGTqcf

Παρασκευή 17 Ιουλίου 2020

Should schools reopen amid the pandemic?

U.S. educators are nervously awaiting the new school year as case counts across the country rise.

via Livescience.com https://ift.tt/399c2A9

28 'cocooned' black holes found hiding in plain sight

New research re-examining old data showed that 28 objects previously described as distant galaxies or dim black holes are in fact bright, shrouded supermassive black holes.

via Livescience.com https://ift.tt/3h2TN2i

Oldest surviving light reveals the universe's true age

One of the most important controversies in physics remains unresolved after a major new study. But at least we have a new precise number for the universe's age.

via Livescience.com https://ift.tt/3jlTQbB

What are antibodies?

These Y-shaped molecules can precisely target and neutralize viruses, bacteria and other foreign invaders.

via Livescience.com https://ift.tt/2Www56F

Weird, Z-shaped faults could trigger a large earthquake on California's San Andreas Fault

A big earthquake at Ridgecrest could trigger the Garlock fault, which would in turn trigger the San Andreas.

via Livescience.com https://ift.tt/3eFfALE

Live Science podcast 'Life's Little Mysteries' special report: Coronavirus (July 16)

In this special episode of Life's Little Mysteries, we'll give you the latest news and answer frequently asked questions about the new coronavirus and COVID-19.

via Livescience.com https://ift.tt/2OzKjzf

Weird country-size 'campfires' on the sun revealed in closest-ever photos

It took just one round of photographs from a new solar science spacecraft for scientists to learn something new about the sun.

via Livescience.com https://ift.tt/2OLTKfj

Don't miss Comet NEOWISE in the evening sky now. It won't be back for 6,800 years.

Comet NEOWISE is now visible in the evening sky for stargazers. It won't be back for 6,800 years.

via Livescience.com https://ift.tt/3hdDsYr

Πέμπτη 16 Ιουλίου 2020

Contact tracing won't curb COVID-19 spread if testing is too slow

Contact tracing for COVID-19 isn't very effective if testing is too slow

via Livescience.com https://ift.tt/2ZC9De8

Tubby tardigrade 'crawls' across sun's surface in spectacular images

New images of the solar surface, the closest ever seen, included a flaw that resembled a tardigrade.

via Livescience.com https://ift.tt/2CaMsz3

A never-before-seen 'partial supernova' sent this star’s corpse skidding across the galaxy

The runaway star is traveling at nearly 600,000 mph and lost most of its mass to a mysterious explosion.

via Livescience.com https://ift.tt/3h3FCde

Rare ghostly particles produced inside the sun just detected under a mountain in Italy

For the first time ever, physicists have spotted rare, ghostly particles, called CNO solar neutrinos, produced by a weird kind of fusion inside the sun.

via Livescience.com https://ift.tt/2ZxK1z5

Lizards with multiple tails are more common than anyone knew

When some lizards lose a tail they grow back more than one, and multi-tailed lizards are more common than once thought.

via Livescience.com https://ift.tt/2ZyCLmN

Τετάρτη 15 Ιουλίου 2020

Moderna's COVID-19 vaccine shows promise in first published results

The results are the first trial data from the company to be published in a peer-reviewed journal.

via Livescience.com https://ift.tt/2OoyBYi

RIP, smooth handfish. You were weird, and now you’re extinct.

This extinct fish used its hand-like fins to "walk" on the ocean floor.

via Livescience.com https://ift.tt/3j0NtKx

Foreign dynasty's rise to power in ancient Egypt was an inside job

Ancient Egypt was once ruled by a dynasty of foreigners known as the Hyksos, but new evidence shows that this takeover wasn't an invasion from a distant land.

via Livescience.com https://ift.tt/3fyxqBx

CDC no longer in charge of the nation's COVID-19 data. Health experts are concerned.

COVID-19 data will now be sent directly to the Department of Health and Human Services.

via Livescience.com https://ift.tt/2DG2GAh

US launches 4 secret spy satellites to orbit

A Northrop Grumman Minotaur IV rocket launched from the Mid-Atlantic Regional Spaceport in Virginia today (July 15), carrying the NROL-129 mission to orbit for the U.S. National Reconnaissance Office.

via Livescience.com https://ift.tt/2ZwkhTL

Mummification: The lost art of embalming the dead

Mummification, or the process of preserving the dead, was once a widespread practice among many ancient societies.

via Livescience.com https://ift.tt/3h56Osi

The moon is 85 million years younger than previously thought

It turns out the moon is a little younger than scientists previously thought — about 85 million years younger, to be precise.

via Livescience.com https://ift.tt/3ev2ros

Woman's sore throat was really a worm living in her tonsil

A woman's sore throat turned out to have a rare — and horrifying — cause.

via Livescience.com https://ift.tt/32riBwC

COVID-19 vaccines are on the fast-track to approval. How will we know they're safe?

The first COVID-19 vaccine must pass rigorous human trials.

via Livescience.com https://ift.tt/390K5dK

Mummification: The lost art of embalming the dead

Mummification, or the process of preserving the dead, was once a widespread practice among many ancient societies.

via Livescience.com https://ift.tt/3h5Q2Jv

Τρίτη 14 Ιουλίου 2020

Origin of 'Mirach's Ghost' perplexes black hole scientists

Physicists are step closer to understanding where the largest black holes in the universe came from. But new data reveals even deeper mysteries around their creation.

via Livescience.com https://ift.tt/32jCupE

Hairstylists with COVID-19 didn't infect any of their 139 clients. Face masks may be why.

More than 100 clients and six additional stylists could have been exposed to the virus.

via Livescience.com https://ift.tt/2YrwWFS

14 Coronavirus myths busted by science

There's plenty of nonsense about the coronavirus online. Here are some of the biggest COVID-19 myths out there and the science to explain why they aren't true.

via Livescience.com https://ift.tt/3cfAVLO

'Geyser' aurora and 'cosmic bat' nebula shortlisted for astronomy photo prize

An astrophotography competition run by London's Royal Observatory Greenwich, announces a shortlist of exceptional images for its 2020 contest.

via Livescience.com https://ift.tt/3j0BZ9K

Gorgeous images of Australian 'rainbow' bees will blow your mind

One of the top plant pollinators in the country, these colorful bees likely originated in tropical regions of Australia.

via Livescience.com https://ift.tt/3iZmA9H

'Tiny bug slayer' relative of dinosaurs and pterosaurs would have fit in the palm of your hand

This tiny pipsqueak may explain why dinosaurs and pterosaurs sported feathers.

via Livescience.com https://ift.tt/3elZQgE

Δευτέρα 13 Ιουλίου 2020

Antique vampire-slaying kit up for auction. Bible, crucifix and pistol included.

An antique wooden box trimmed with brass holds all the tools that you might require in order to slay a vampire.

via Livescience.com https://ift.tt/3enlDEB

What is herd immunity?

Scientists use herd immunity to describe the point at which a population is sufficiently immune to a disease to prevent its circulation.

via Livescience.com https://ift.tt/2Zqf4Na

What's the most amazing thing about the universe?

A few scant equations can explain a variety of phenomena in our universe, over vast gulfs of space and time. Here's a taste of just how powerful modern physics can be.

via Livescience.com https://ift.tt/3gQTZ4D

Lumpy flint figurines may be some of the earliest depictions of real people

Unusual flint artifacts discovered in Jordan from about 7500 B.C. may have portrayed individual people in burial rituals, and could explain why human images became widespread in the Neolithic Near East.

via Livescience.com https://ift.tt/2WaDVCM

The universe's clock might have bigger ticks than we imagine

The tiniest ticks possible

via Livescience.com https://ift.tt/32p8etB

Live Science podcast 'Life's Little Mysteries' 40: Mysterious Archaeology

From buried cities to sunken ships, clues from the past reveal secrets about people and civilizations dating to many thousands of years ago.

via Livescience.com https://ift.tt/3epY522

Παρασκευή 10 Ιουλίου 2020

Heartburn medication tied to higher COVID-19 risk — but don’t panic

Risks linked to the common drug must still be confirmed.

via Livescience.com https://ift.tt/2ALCKCg

Cases of broken heart syndrome increase amid pandemic stress

A small new study suggests the stress of the pandemic may be playing a toll on the heart.

via Livescience.com https://ift.tt/2DoRR5y

Deadly 'unknown pneumonia' outbreak in Kazakhstan is probably undiagnosed COVID-19

It's very likely that these mystery cases of pneumonia are in fact COVID-19.

via Livescience.com https://ift.tt/2OqodiR

A new coronavirus mutation is taking over the world. Here's what that means.

A SARS-CoV-2 variant has taken over the world, but it's not clear whether the coronavirus mutation is highly transmissible or just lucky.

via Livescience.com https://ift.tt/3eeStY7

This parrot beat 21 Harvard students in a classic memory game

An African grey parrot beat 21 Harvard undergrads at a classic memory game, suggesting deep roots of animal intelligence.

via Livescience.com https://ift.tt/3gM7bb0

Nikola Tesla vs. Thomas Edison: Who was the better inventor?

Nikola Tesla and Thomas Edison battled it out in the "War of Currents," but each inventor left a significant scientific legacy.

via Livescience.com https://ift.tt/2wtm4IZ

Coronavirus hijacks cells, forces them to grow tentacles, then invades others

Cells infected with the new coronavirus grow stringy, tentacle-like arms that act like bridges, allowing the virus to invade other cells.

via Livescience.com https://ift.tt/2Dvdu4j

Live Science podcast 'Life's Little Mysteries' special report: Coronavirus (July 9)

In this special episode of Life's Little Mysteries, we'll give you the latest news and answer frequently asked questions about the new coronavirus and COVID-19.

via Livescience.com https://ift.tt/38GN1fG

Satellite sees 'Godzilla' dust plume sweep across the Atlantic Ocean

Each year, dust from the Sahara Desert blows off Africa and across the Atlantic, but most years that plume isn't so massive it's nicknamed "Godzilla."

via Livescience.com https://ift.tt/2ZZ2hAn

Penguins shoot 'poop bombs' more than 4 feet, incredibly important study finds

How much force must a penguin apply in order to blast a flying poop projectile, and how far can it travel? Fortunately for us all, scientists now have answers.

via Livescience.com https://ift.tt/2AMsOIT

The solar system: Facts about our cosmic neighborhood

Take a journey through our solar system.

via Livescience.com https://ift.tt/3fhCk5B

Πέμπτη 9 Ιουλίου 2020

Astronomers discover South Pole Wall, a gigantic structure stretching 1.4 billion light years across

Strands in the intergalactic web

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WHO releases new COVID-19 guidance on airborne transmission, but it doesn't change much

WHO still maintains that COVID-19 is largely spread through larger droplets from coughs and sneezes.

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Polynesians and Native Americans paired up 800 years ago, DNA reveals

A DNA analysis of 807 Polynesians and Native Americans suggests that their ancestors were bedfellows long ago.

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Physicists discover new, exotic flavor of tetraquark

Physicists have discovered a new, exotic kind of tetraquark, made up of four charm quarks. They say it's a major breakthrough.

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Pink 'watermelon snow' threatens major Italian glacier

The high Presena glacier has turned pink in a major bloom of dangerous, ice-melting algae.

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Why are scientists trying to manufacture organs in space?

Why are scientists trying to grow organs at the International Space Station? People live on Earth not in zero-gravity. A stem cell expert explains why it is useful to do these experiments in space.

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How hand sanitizer caused a man's unusual 'hangover'

The man was taking disulfiram, a medication to treat alcohol abuse that causes hangover-like effects.

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Τετάρτη 8 Ιουλίου 2020

Earth's magnetic field changes 10 times faster than once thought

Directional changes in Earth's magnetic field happen far more rapidly than previous calculations suggested, according to new simulations.

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A shot taken every 2 months could prevent HIV

The shot could someday be an alternative to daily pills.

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4 mysterious objects spotted in deep space are unlike anything ever seen

Astronomers have discovered four faint objects that at radio wavelengths are highly circular and brighter along their edges. And they're unlike any class of astronomical object ever seen before.

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Older people don't take more precautions against coronavirus

The age groups most likely to face severe illness and death from COVID-19 aren't more willing to take preventive measures against coronavirus, an international study finds.

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SpaceX to launch Starlink and BlackSky satellites into orbit today. Here's how to watch live.

SpaceX will launch its tenth set of Starlink internet satellites into orbit today (July 8) and you can watch it live online.

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The Arctic Circle: Polar portal to the Arctic

Located about 66.5 degrees north of the Equator lies the Arctic Circle — a line of latitude that outlines the border of Earth's northernmost region known as the Arctic.

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The electric hum of life may have originated with primordial lightning

A low-frequency hum in our cells syncs may have synced with ancient sky bolts.

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COVID-19 is tied to deadly brain inflammation in some patients

COVID-19 may cause dangerous neurological problems.

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Τρίτη 7 Ιουλίου 2020

Coronavirus may technically be 'airborne,' but that may not matter for preventing its spread

The most important ways to prevent transmission are still the same, whether SARS-CoV-2 spreads via tiny droplets or larger ones.

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The US formally announced its withdrawal from the World Health Organization

Trump threatened in May to withdraw the U.S. from the WHO. Now the process has begun.

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Ice age mining camp found 'frozen in time' in underwater Mexican cave

Cave divers found a mysterious passageway that led to an ice age ochre mine.

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350 elephants drop dead in Botswana, some walking in circles before doing face-plants

More than 350 elephants in Botswana have mysteriously died since May, in a phenomenon that some scientists have dubbed a "conservation disaster," and one that has evaded explanation.

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Weird new 'pentadiamonds' could be ultrahard, ultralight and conduct electricity

Materials scientists come up with a potentially useful new form of carbon.

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Bubonic plague case confirmed in China's Inner Mongolia

Cases of plague crop up from time to time on nearly every continent worldwide.

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How the brain builds a sense of self

We don't just copy the behavior of people around us. We also copy their minds.

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Δευτέρα 6 Ιουλίου 2020

Coronavirus-fighting antibody cocktail being tested in thousands of people

The treatment contains two antibodies shown to help neutralize the virus.

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Is it safe to use hair dye?

Hair can be dyed at home or at a salon. Is one safer than the other?

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What is the Dunning-Kruger effect?

When we don't know enough to know what we don't know.

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Humans are hardwired to dismiss (coronavirus) facts that don't fit their worldview

Americans increasingly exist in highly polarized, informationally insulated ideological communities, allowing them to dismiss scientific facts about coronavirus.

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Κυριακή 5 Ιουλίου 2020

Σάββατο 4 Ιουλίου 2020

Can energy be sucked out of a black hole?

In a very distant future, black hole bombs will be the only hope for any civilization to thrive. This would be a universe with immense, isolated sources of energy, shining bright in an otherwise completely black sky.

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What color is the sunset on other planets?

It depends on whether the planet's atmosphere is predominantly filled with gas or dust particles.

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Παρασκευή 3 Ιουλίου 2020

The US Constitution: Facts about the country's founding document

Written over 200 years ago, the Constitution is a legal document of Articles and Amendments that form the foundation of the federal government, state authority and citizen rights.

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Why do some men take so long to poop?

They're probably not just pooping; the restroom is a safe place for them to ponder life's great questions.

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Πέμπτη 2 Ιουλίου 2020

How to watch the 'Independence Day' lunar eclipse

The full moon will pass through part of Earth's shadow, leading to a partial penumbral eclipse.

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Looted skulls and human remains are being sold in black markets on Facebook

A Live Science investigation unlocked a world inside private Facebook groups in which human remains are often sold with little information about their origins — raising questions about how they were acquired.

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Hand sanitizer and fireworks don't mix, experts warn

It's a dangerous combo.

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Betelgeuse's weird dimming caused by gigantic starspots

Betelgeuse's weird recent dimming was caused by starspots that temporarily covered at least half of the red supergiant's surface, a new study suggests.

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How a hidden ocean circulates beneath the Antarctic ice

Thick ice isolates a hidden ocean cavity from the furious winds and freezing air temperatures of Antarctica. But nothing stops the tides.

via Livescience.com https://ift.tt/2Zud99o

Genes from 'culturally extinct' Indigenous group discovered in unsuspecting Tennessee man

The last Beothuk died in 1829, but a new analysis finds that this group's unique genes live on.

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Lab tech develops fatal brain condition after accident with 'mad cow disease' samples

The woman was accidentally exposed to prions, the infectious proteins that cause "mad cow disease."

via Livescience.com https://ift.tt/38jSxVr

Τετάρτη 1 Ιουλίου 2020

Why the British were doomed from the get-go in the American Revolutionary War

Poor planning and a lack of cooperation meant British strategy was destined to fail during the American Revolution.

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New flu virus with 'pandemic potential' found in pigs. Here's what that means.

Scientists in China are now warning that they have identified a new flu virus in pigs that could possibly cause a future flu pandemic.

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In 'Hamilton', Angelica Schuyler's husband is called 'not a lot of fun.' Here's his real story.

Angelica Schuyler wasn't single when she met Hamilton. She was actually married with kids.

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Did Leonardo da Vinci's 'quick eye' help him capture Mona Lisa's fleeting smile?

The famed Renaissance artist Leonardo da Vinci may have had the "quick eye" possessed by top tennis and baseball players, which enabled him to see and capture the enigmatic half-smile of the Mona Lisa.

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Scientists finally solve the mystery behind a 100-year-old chemistry experiment

Scientists may finally understand the mysterious transition behind a century-old chemistry experiment involving metals.

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No one knows why decapitated sea lions keep turning up in Vancouver, Canada

It's unknown who or what is killing these sea lions on Canada's Pacific coast.

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