Τρίτη 30 Ιουνίου 2020

Many Americans with COVID-19 don't know how they got infected, survey suggests

Many Americans with COVID-19 can't pinpoint how they got the infection, a new study suggests.

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

China warned of mysterious virus 6 months ago. Here’s where the world is at now.

Here's a look back at all we've learned about the novel coronavirus, SARS-CoV-2, in that time, and what we can expect in the next six months.

via Livescience.com https://ift.tt/2BeP3aF

Visualization shows exactly how face masks stop COVID-19 transmission

But some cloth masks appear to work better than others at stopping the spread of potentially infectious droplets.

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

How will astronauts poop on the moon? New NASA challenge calls for innovative ideas.

In a new contest, NASA is calling on innovators from around the world to develop a new space toilet that would work not just in microgravity such as aboard the International Space Station, but also in lunar gravity aboard a future lunar lander.

via Livescience.com https://ift.tt/2Ahfn3f

Massive 'disappearing' star could have become a black hole without going supernova

A massive star 75 million light-years from Earth vanished from the sky without a trace. Could it have become a black hoel without going supernova?

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

Δευτέρα 29 Ιουνίου 2020

'Don't talk': How to stay safe from COVID-19 inside elevators

The confined spaces could be risky for viral spread.

via Livescience.com https://ift.tt/3iet44c

Racial bias is baked into algorithms doctors use to guide treatment

Biased algorithms wrongly adjust patients' risk scores based on race.

via Livescience.com https://ift.tt/31qey3m

400-mile-long lightning bolt over Brazil is biggest in recorded history

A lightning bolt that traveled 440 miles across the sky of southern Brazil in 2018 has been confirmed as the biggest in history.

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

'Godzilla' dust plume will bring technicolor sunsets

A massive dust plume from the Saharan desert will make sunsets especially stunning in the U.S.

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

Scientists spot flash of light from colliding black holes. But how?

Black holes aren't supposed to produce flashes of light. But scientists think that last year, they spotted black holes doing just that.

via Livescience.com https://ift.tt/3i5MQia

Hey guys: Stop snuggling with your cats (at least in photos) if you want a date

Can posing with a pet help men find dating success? Not if it's a cat, scientists say.

via Livescience.com https://ift.tt/3eE1dYZ

Live Science podcast 'Life's Little Mysteries' 37: Mysterious Mythical Creatures

Creatures that are inventions of the human imagination have inspired fear and wonder for thousands of years.

via Livescience.com https://ift.tt/2VsyU8o

Κυριακή 28 Ιουνίου 2020

Mysterious radiation spike detected over Scandinavia

Experts have said that a slight spike in radioactivity above northern Europe likely originated in Russia, but Russian nuclear plants in the area deny any abnormalities.

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

Σάββατο 27 Ιουνίου 2020

Παρασκευή 26 Ιουνίου 2020

Dust plume bigger than Texas crashes into the US

Air quality could reach dangerous levels across a wide chunk of the continental U.S. and Caribbean this weekend as a rare, giant Saharan dust storm reaches the U.S.

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

US may turn to more 'pooled testing' as COVID-19 spreads

Pooled testing allows one diagnostic test to be used on several samples.

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

US breaks record for new COVID-19 cases. How to tell where your state is headed.

The United States had its second day of record-high cases of COVID-19. Not all states are faring the same; here's what to look out for in your state.

via Livescience.com https://ift.tt/381AqDu

Live Science podcast 'Life's Little Mysteries' special report: Coronavirus (June 25)

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/2Vl0wMy

Alaskan volcano sealed the fate of the Roman Republic, led to rise of the Empire

Alaska's Okmok volcano eruption in 43 B.C. had far-reaching impacts on climate in the Mediterranean, leading to famine and social disruption in the Roman Republic.

via Livescience.com https://ift.tt/2Bcspj2

Πέμπτη 25 Ιουνίου 2020

Pregnancy may make COVID-19 more severe, new study suggests

However, pregnant women don't appear to be at increased risk of death from the disease.

via Livescience.com https://ift.tt/2B3IV50

Incredible time-lapse video shows 10 years of the sun's history in 6 minutes

NASA combined 10 years of solar observations into a single, gorgeous time-lapse video.

via Livescience.com https://ift.tt/31j5TzM

This Stone Age man's jawless skull was found on a spike. Here's what he looked like.

Wild boar jaws found in this man's Stone Age grave inspired his recreated clothing and haircut.

via Livescience.com https://ift.tt/31iOGXc

Stone Age man, whose skull was found on a spike, gets facial recreation (photos)

Here's how a forensic artist recreated the likeness of a Stone Age man whose skull was found on a spike.

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

NASA names headquarters building for 'hidden figure' Mary Jackson

NASA is recognizing one of its "hidden figures" by naming its headquarters in Washington, D.C. after Mary Jackson, the first African American female engineer to work at the space agency.

via Livescience.com https://ift.tt/2NGs2jz

'Augie' breaks record as world's oldest golden retriever at age 20

Golden retrievers typically live between 10 and 12 years.

via Livescience.com https://ift.tt/2Nrz8YL

First evidence that ancient humans ate snakes and lizards is unearthed in Israel

New evidence suggests that lizard and snake bones were common in sites linked to ancient Natufian culture because these animals were being eaten.

via Livescience.com https://ift.tt/2BIyx2f

How to create a low-risk quarantine bubble

People are turning to quarantine bubbles as a way to see friends and family while limiting the risk from the coronavirus. Research shows that this can work, but it's not easy to be in a quaranteam.

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

Τετάρτη 24 Ιουνίου 2020

Pentagon should release UFO report, Senate intelligence committee argues

The US Senate intelligence committee plans to impose new rules on how the Department of Defense (DOD) shares information about UFOs, and to demand a public report on what the DOD knows so far.

via Livescience.com https://ift.tt/2Yt3n8e

Hope diamond formed stunningly close to Earth's core

Most diamonds originate at the bottoms of tectonic plates. But the giant blue Hope and Cullinan diamonds may have originated far deeper within the planet.

via Livescience.com https://ift.tt/3fZOkJ7

Coronavirus outbreak: Live updates

Among the top coronavirus news out today are: Some states and cities across the U.S. are suspending reopening amid an increase in cases and New York, New Jersey and Connecticut are requiring people traveling in from hotspot states to quarantine for 14 days.

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

What have protests taught us about the coronavirus?

The Black Lives Matter protests have not been linked to new COVID-19 spikes.

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

Strange space signal could come from a 'mystery object'

A big black hole gobbled up a mystery object. It emitted no light detectable from Earth. What was it?

via Livescience.com https://ift.tt/3dCSYv7

Lost continent of Zealandia mapped in unprecedented detail

A suite of new maps reveal the lost, undersea continent of Zealandia in more detail than ever before.

via Livescience.com https://ift.tt/31dxX7F

60 college students caught COVID-19 on a spring break trip to Mexico

About one-fifth of students who tested positive were asymptomatic at the time of the test.

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

Famous 'immaculate conception' painting is unrecognizable after art restoration failure

A botched restoration of a Bartolomé Esteban Murillo painting in Spain has frustrated art conservators and recalled memories of an earlier, similar mistake involving a painting of Jesus.

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

The world's biggest dust bunny is crossing the Atlantic Ocean right now

A "Godzilla dust cloud" from the Sahara Desert that's heading toward the United States this week is the largest and most concentrated dust cloud of its kind in the past 50 years.

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

Τρίτη 23 Ιουνίου 2020

One company's hand sanitizer products contain potentially deadly substance, FDA warns

The warning applies to nine hand sanitizer products made by the company, called Eskbiochem.

via Livescience.com https://ift.tt/3hTRC25

Powerful 7.4 earthquake rocks southern Mexico, killing 1

A powerful magnitude 7.4 earthquake struck the southern coast of Oaxaca, Mexico this morning, killing at least one person.

via Livescience.com https://ift.tt/3fRri6Y

Biggest prehistoric monument in UK discovered just a stone's throw away from Stonehenge

Radiocarbon dates from buried animal bones and shells helped date the pits to 4,500 years ago.

via Livescience.com https://ift.tt/2Z0e15n

China launches final Beidou satellite to complete GPS-like navigation system

It completes a navigation satellite constellation decades in the making.

via Livescience.com https://ift.tt/2Ysc5TW

Oldest Viking settlement possibly unearthed in Iceland

Archaeologists have unearthed what may be the oldest Viking settlement in Iceland.

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

'Time travel' to the 1890s in AI-remastered silent movies that look like HD video

Using artificial intelligence, an artist restored film clips dating to more than 100 years ago, with remarkable results.

via Livescience.com https://ift.tt/2YZT2j3

Δευτέρα 22 Ιουνίου 2020

Siberian town records 100 degree F day — the hottest in Arctic history

The Siberian town of Verkhoyansk just recorded a 100-degree Fahrenheit day — the hottest in Arctic history.

via Livescience.com https://ift.tt/37Q0bq6

This man can't see numbers. But his brain can.

A rare degenerative brain disorder made it impossible for this man to see the numbers 2 through 9.

via Livescience.com https://ift.tt/37RamuF

Nonbinary astronomers need better support from their field, study finds

Gender equality in astronomy doesn't end with the male/female gender binary.

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

Space Perspective wants to take tourists on balloon rides to the stratosphere

Space Perspective aims to send paying customers and payloads to the stratosphere in its Spaceship Neptune, a balloon-borne capsule that's scheduled to make its first test flights early next year.

via Livescience.com https://ift.tt/319fpoT

Your risk of severe COVID-19 may be affected by blood type, new genetic analysis suggests

Genetic analysis suggests why young and otherwise healthy people who developed COVID-19 sometimes experienced severe respiratory symptoms.

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

Why some physicists really think there's a 'mirror universe' hiding in spacetime

What happens when you turn spacetime upside-down?

via Livescience.com https://ift.tt/3dpA76z

Σάββατο 20 Ιουνίου 2020

Death from above? Fireball may have destroyed ancient Syrian village

An ancient Syrian village was destroyed by a fireball from the sky, scientists suspect.

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

Does charcoal toothpaste really whiten teeth?

Activated charcoal can protect against some poisons, but can it help whiten your smile?

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

The 'ring of fire' solar eclipse of 2020 occurs Sunday. Here's how to watch online.

A "ring of fire" solar eclipse will briefly appear in parts of Africa and Asia this weekend, and if you aren't out there in person, you can take in the spectacular show online.

via Livescience.com https://ift.tt/2YinK87

Παρασκευή 19 Ιουνίου 2020

An annular solar eclipse is happening on the summer solstice. (But no, it’s not the end of days.)

An annular eclipse and the summer solstice are both happening on June 21. But don't worry, it's not the end of days.

via Livescience.com https://ift.tt/2N9LViu

Coronavirus devastates indigenous tribes in the Brazilian Amazon

Dozens of indigenous communities are fighting the virus brought in by the outside world.

via Livescience.com https://ift.tt/2V0OfwE

Why COVID-19 kills some people and spares others. Here's what scientists are finding.

The novel coronavirus causing COVID-19 seems to hit some people harder than others, with some people experiencing just mild symptoms and others being hospitalized and requiring ventilation. Here's why.

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

Does Planet Nine really exist?

For the past few years, the possibility of a new (and big!) planet hanging around in the far outer solar system has tantalized scientists and the public alike. Is "Planet Nine" out there or not?

via Livescience.com https://ift.tt/3hGvus1

Live Science podcast 'Life's Little Mysteries' special report: Coronavirus (June 18)

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/3ehjTxz

Amazing photos show 463-pound gorilla being CT scanned

When an adult male gorilla in a South African zoo developed breathing problems, wildlife specialists diagnosed the ailment with CT scans.

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

Amazing photos show 463-pound gorilla being CT scanned

When an adult male gorilla in a South African zoo developed breathing problems, wildlife specialists diagnosed the ailment with CT scans.

via Livescience.com https://ift.tt/3hI7cOq

Πέμπτη 18 Ιουνίου 2020

Tainted sexual enhancement supplements linked with dangerously low blood sugar in 17 men

The outbreak occurred in Virginia men who bought the supplement from local convenient stores.

via Livescience.com https://ift.tt/37HGBfV

Person who had measles 100 years ago helps scientists trace origins of virus

A preserved lung helped scientists rewrite the virus's history.

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

'It's not ours': Government denies knowledge of strange 'UFO' over Japanese city

A strange balloon-shaped 'UFO' appeared and disappeared over the city of Sendai, Japan on Wednesday (June 17).

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

Ancient Antarctic sea monster may have laid this football-size egg

Chilean scientists nicknamed the fossil "The Thing" after a 1982 sci-fi movie based in Antarctica.

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

Scientists create a pattern so complicated it's impossible to duplicate

Scientists just created a pattern that, according to researchers, is impossible to duplicate or forge, a feat that could quash counterfeiters.

via Livescience.com https://ift.tt/2Yarp7M

Read a free issue of All About History magazine

All About History magazine is offering a free issue to read online! Plus, you can save money on each issue with fantastic subscription deals

via Livescience.com https://ift.tt/3fzfB4O

Famous Irish tomb yields a surprise — a king born of brother-sister incest

Human bones in the famous Newgrange tomb in Ireland belonged to king born of first-degree incest, researchers say.

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

The monstrous 'blobs' near Earth's core may be even bigger than we thought

Using thousands of seismic wave recordings, researchers mapped the mysterious 'blobs' deep below the Pacific Ocean and found they are even bigger than imagined.

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

'Exploding Whale Memorial Park' honors whale that went out with a bang

A new park in Oregon gets its name from an explosive event in 1970: the dynamiting of a dead, beached sperm whale.

via Livescience.com https://ift.tt/2YF8DUU

Massive underwater rivers were discovered off the coast of Australia

Massive, underwater rivers have been discovered hidden off Australia's coasts by robotic ocean gliders.

via Livescience.com https://ift.tt/2CjJ4Bw

The monstrous 'blobs' near Earth's core may be even bigger than we thought

Using thousands of seismic wave recordings, researchers mapped the mysterious 'blobs' deep below the Pacific Ocean and found they are even bigger than imagined.

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

Τετάρτη 17 Ιουνίου 2020

Stunningly intact giant squid washes ashore in South Africa

The giant squid's esophagus goes through its brain.

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

Astronomers solve whirling mystery around nearby black hole

How fast is this nearby black hole spinning? A new measurement offers clues that could solve the old mystery.

via Livescience.com https://ift.tt/30Pe0Ue

What is Juneteenth?

The American holiday Juneteenth is observed on June 19 and is also known as Emancipation Day and Black Independence Day.

via Livescience.com https://ift.tt/2CaHl1a

BREAKING: Physicists announce first direct evidence for 'axions'

An experiment buried underground in Italy has turned up a mysterious result, and a never-before-seen "axion" particle seems like the most likely explanation.

via Livescience.com https://ift.tt/2YJPd1h

Weird green glow spotted in atmosphere of Mars

Europe's Trace Gas Orbiter spotted an emerald glow in Mars' wispy atmosphere, marking the first time the phenomenon has been spotted on a world beyond Earth.

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

New robot 'explorer' dog will only set you back 63 stimulus checks

Boston Dynamics' robot dog 'Spot' is now for sale for a cool $74,500.

via Livescience.com https://ift.tt/3eb7Ku0

As COVID-19 spikes, will some state shut down again?

Will states reach a "tipping point" in COVID-19 cases that triggers more shutdowns?

via Livescience.com https://ift.tt/2Bgj3Tb

Τρίτη 16 Ιουνίου 2020

London's 'oldest theater,' built just 3 years after Shakespeare's birth, discovered

The remains of what may be the oldest theater in London — constructed three years after Shakespeare's birth — have been unearthed ahead of a new housing development in the East End of the modern city.

via Livescience.com https://ift.tt/3hxWCt3

1 in 5 people across the globe are at risk of developing severe COVID-19

Around 1.7 billion people have one or more underlying health condition that would put them at risk of severe COVID-19, a new study finds.

via Livescience.com https://ift.tt/3hyX0ry

Ancient Cambrian shrimp with dozens of dagger legs looked unlike anything alive today

It had a boomerang-like head shield and dozens of legs studded with daggers.

via Livescience.com https://ift.tt/37BUcoT

Cheap steroid reduces death in severe COVID-19, researchers say. But they haven’t released the data.

Data from the large clinical trial will be released soon, the team said.

via Livescience.com https://ift.tt/2YDWCz7

Mysterious blue fireball streaks above Western Australia, puzzling astronomers

Scientists aren't sure if space junk or a meteor caused a brilliant blue fireball seen across Western Australia.

via Livescience.com https://ift.tt/3e8mHwL

Subsurface vortexes may have created Saturn's mysterious hexagon

Two researchers investigated the dynamics of Saturn's churning atmosphere to figure out what sorts of planetary fluid dynamics are creating its mystifying hexagon.

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

Are there really 36 alien civilizations out there? Well, maybe.

A new calculation posits that there are 36 intelligent alien civilizations sharing the Milky Way with humanity today, but it relies on some big assumptions.

via Livescience.com https://ift.tt/37zbGlB

Weirdly-shaped wormholes might work better than spherical ones

Otherwise, they'd be ferociously unstable.

via Livescience.com https://ift.tt/2zzh7EC

Δευτέρα 15 Ιουνίου 2020

Einstein's core idea about gravity just passed an extreme, whirling test in deep space

Once again, physicists have confirmed one of Albert Einstein's core ideas about gravity and relativity — this time with the help of a neutron star flashing across space.

via Livescience.com https://ift.tt/37uBPCl

SpaceX's predawn Starlink satellite launch looks simply stunning in these Twitter photos

When SpaceX launched a Falcon 9 rocket into space Saturday (June 13), it delivered 58 Starlink satellites and three Planet SkySats into orbit. It also looked amazing.

via Livescience.com https://ift.tt/2ULAIJ6

Hidden temple in a buried Roman city discovered by ground-penetrating radar

Radar surveys enabled archaeologists to map an ancient Roman city in unprecedented detail — even buildings that were underground.

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

Live Science podcast "Life's Little Mysteries" 34: Mysterious Universe

Where did the universe come from, what's it made of and how will it end?

via Livescience.com https://ift.tt/2YwSNf8

Σάββατο 13 Ιουνίου 2020

SpaceX launches 58 Starlink satellites and 3 Planet SkySats, nails rocket landing

SpaceX successfully launched its first Starlink rideshare mission into orbit today (June 13), lofting 58 Starlink internet satellites along with three Earth-observation satellites before nailing a rocket landing at sea.

via Livescience.com https://ift.tt/2UImOr8

How the pandemic upended our perception of time

Think back to life before stay-at-home orders. Does it feel like just yesterday or ages ago? Here's how the pandemic upended our perception of time.

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

Παρασκευή 12 Ιουνίου 2020

Watch a rocket launch triple header from SpaceX, Rocket Lab and Japan tonight. Here's how.

In the next 24 hours, rockets from Interstellar Technologies, Rocket Lab and SpaceX will launch from three different countries in a space age triple-header. Here's how to watch.

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

How to stay safe at a cookout, the library, restaurants during the COVID-19 pandemic

The CDC has released additional guidance to help Americans reduce their risk of COVID-19.

via Livescience.com https://ift.tt/3hgs5Qq

Hairstylists with COVID-19 didn't infect any of their 140 clients. Face masks may be why.

140 clients and six additional stylists could have been exposed to the virus.

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

Ancient crocodile walked on two legs

This ancient croc's legs were likely as long as a human's.

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

When did the 'Dark Ages of the Universe' end? This rare molecule holds the answer.

Scientists hunting for neutral hydrogen — a rare molecule that predates every star in the universe — just took a step closer to catching their prize.

via Livescience.com https://ift.tt/2DyJql0

Exotic, fifth state of matter created on the space station

Scientists have generated an exotic form of matter in the unique microgravity environment aboard the International Space Station and are using it to explore the quantum world, a new study finds.

via Livescience.com https://ift.tt/3hhTYb3

Live Science podcast 'Life's Little Mysteries' special report: Coronavirus (June 11)

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/3fl8dKq

Rare quadruplet 'top quarks' created at world's largest atom smasher

The world's largest atom smasher has "given birth" to a set of four ultraheavy particles — called top quarks.

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

Anesthesia may work by targeting the fat in our brains

A study in cells and fruit flies suggests a new mechanism for anesthetics.

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

Ancient Roman dice unearthed in cremation pit in Norway

On a cliff overlooking a narrow strait in western Norway, archaeologists have discovered rare game pieces.

via Livescience.com https://ift.tt/3cX9Z2q

Πέμπτη 11 Ιουνίου 2020

Toilet flushes may spread Legionnaires' disease

Legionnaires' disease could potentially spread through toilet flushing.

via Livescience.com https://ift.tt/2Uyg27x

Woman with COVID-19 receives double-lung transplant in a first

In a first, a young COVID-19 patient has received a double-lung transplant after the coronavirus ravaged her lungs.

via Livescience.com https://ift.tt/37ol8bm

This underwater Italian 'ghost town' could reappear on land next year

The Tuscan town of Fabbriche di Careggine was flooded in 1946 to make room for a hydroelectric dam. It could make a rare appearance above water next year.

via Livescience.com https://ift.tt/37m7Got

Triassic sea monster was about to birth three little monsters before she died

The ichthyosaur and her unborn babies lived about 246 million years ago.

via Livescience.com https://ift.tt/3hkdJ1C

Brilliant fireball lights up skies over Tennessee (video)

A meteor lit up the night sky over Tennessee and neighboring states late Sunday (June 7), sparking 120 fireball sightings across 12 different nearby states and Canada.

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

Scientists create mini-supernova shock waves on Earth

Researchers have created a miniature version of supernova shock waves in a lab here on Earth to solve a long-standing cosmic mystery.

via Livescience.com https://ift.tt/30yD41M

A few superspreaders transmit the majority of coronavirus cases

About 80% of COVID-19 cases can be traced to just 20% of those infected with the novel coronavirus, epidemiologists have found.

via Livescience.com https://ift.tt/2XT6lm2

Here's exactly how T. rex grew from a slender tot into a massive carnivore

Humongous T. rexes might not be as old as they seem.

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

Τετάρτη 10 Ιουνίου 2020

Amazing Black scientists

Black scientists have contributed to society and made groundbreaking discoveries throughout history and continue to do so to this day. Here's a look at just a few of the amazing Black scientists from the past and present.

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

Live Science stands with #ShutDownSTEM and #Strike4BlackLives

Here's how Live Science will participate today in #ShutDownSTEM and what it means to the site and staff.

via Livescience.com https://ift.tt/37iouN4

Τρίτη 9 Ιουνίου 2020

Mysterious scars on Hawaiian shark could be sign of giant squid attack

Photographs of a shark bearing strange, circular scars could be evidence of a rare giant squid encounter, researchers say.

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

Mysterious deep-space flashes repeat every 157 days

Astronomers have discovered an activity cycle in another fast radio burst, potentially unearthing a significant clue about these mysterious deep-space phenomena.

via Livescience.com https://ift.tt/2YbSt5m

Scientists condemn racism and take action with #StrikeforBlackLives this week

This Wednesday, thousands of scientists will #ShutDownAcademia, #ShutDownSTEM and #StrikeforBlackLives.

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

Δευτέρα 8 Ιουνίου 2020

What's causing a spooky hum to fill parts of San Francisco?

Aerodynamic slats newly installed on the Golden Gate Bridge produce a loud hum on windy days, as San Fransiscans learned this past weekend.

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

Great white sharks are bottom-feeders, at least when they're little

Great white sharks are fierce hunters. But as juveniles, their diets involve way more bottom-feeding than hunting large prey.

via Livescience.com https://ift.tt/2Uq2wmb

Newton's recipe for 'toad vomit lozenges' up for auction

The trick, apparently, was to hang the toad upside down in a chimney for three days.

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

Dear attorney general: Pepper spray is a chemical irritant. So are pepper balls.

Attorney General Bill Bar sought to downplay the clearing of peaceful protestors from Lafayette Park in Washington, D.C. on June 1 by claiming that pepper spray is not a chemical or an irritant. It is and here's the science.

via Livescience.com https://ift.tt/30k3Hr0

Why these rattlesnakes are declining at an alarming rate

Rattlesnakes are threatened in British Columbia in Canada, and many populations are declining at alarming rates.

via Livescience.com https://ift.tt/3f3NoTm

Snake eels stage stomach-bursting escape after being eaten (and then things get really nasty)

After snake eels are swallowed by bigger fish, they can burst out of their predators' stomachs ... to freedom? Not exactly.

via Livescience.com https://ift.tt/2AQ9Mkx

Why a physicist wants to build a particle collider on the moon

A physicist proposes that the moon is a great place to build a particle collider and conduct high-energy physics experiments.

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

Under the sea: 50 breathtaking images from our oceans

The most stunning sights from under the waves

via Livescience.com https://ift.tt/3cQ4L8Z

Physicists entangle 15 trillion hot atoms

Physicists set a new record by linking together a hot soup of 15 trillion atoms in a bizarre phenomenon called quantum entanglement.

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

Παρασκευή 5 Ιουνίου 2020

Live Science podcast 'Life's Little Mysteries' special report: Coronavirus (June 4)

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/3h02UkY

Satellites spot major oil spill in the Arctic Circle (photos)

European satellites have spotted a catastrophic oil spill in the Arctic Circle.

via Livescience.com https://ift.tt/3gYDVP7

Sweden's lax COVID-19 response caused too many deaths, country's top epidemiologist says

Sweden's head epidemiologist said they should have done more.

via Livescience.com https://ift.tt/2Y6fUgj

Way too many Americans have gargled with bleach, sprayed their bodies with disinfectants to prevent COVID-19

Nearly 4 in 10 American adults reported engaging in dangerous cleaning practices to prevent COVID-19.

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These gorgeous, intricate sea creatures are actually giant blobs of snot

Teeny-tiny sea creatures secrete snotty blobs from cells on their heads to build their oversized mucus dwellings.

via Livescience.com https://ift.tt/2Bx0IkF

Elephant in India dies after possibly eating fruit stuffed with explosives

A pregnant wild elephant in Kerala, India, died on May 27, possibly due to an explosion in her mouth after she ate a fruit stuffed with firecrackers.

via Livescience.com https://ift.tt/3gXU1bK

Trump campaign pulls 'Make Space Great Again' video that may have violated NASA regulations

The campaign to reelect President Donald Trump launched a new "Make Space Great Again" video ad this week that has surprised NASA officials and sparked an online petition against the politicization of space.

via Livescience.com https://ift.tt/37f5Beh

Strawberry Moon lunar eclipse of 2020 occurs today. Here's what to expect.

Sharp-eyed skywatchers in parts of the world may be able to catch a slight lunar eclipse today as Earth embarks on a new "eclipse season," although North American viewers will be out of luck.

via Livescience.com https://ift.tt/2Y88b1e

Russia declares emergency after 22,000 tons of oil spill in the Arctic Circle

Twenty-two thousand tons (20,000 metric tons) of oil products leaked from a Russian industrial power plant into an Arctic river on May 29. It could take decades for the region to recover.

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Πέμπτη 4 Ιουνίου 2020

What is antifa?

What’s the history of anti-fascism and why is it controversial?

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Prominent study showing harm from hydroxychloroquine for COVID-19 patients is retracted

The study was withdrawn over concerns about the study's data, which was provided by an obscure U.S. analytics company called Surgisphere.

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

Mars once had rings and a much bigger moon, new evidence suggests

Some scientists suspect Martian moons sometimes break up into rings. A new piece of evidence from the surviving moon Deimos' orbit supports that theory.

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How to actually stop police brutality, according to science

Though the issues brought up by this week's George Floyd protests run deep, there is evidence that certain policy changes can lead to less violent police departments.

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Oldest and largest Maya structure on record discovered in southern Mexico

A previously unknown Maya site in Tabasco, Mexico is the civilization's largest and oldest monumental structure on record.

via Livescience.com https://ift.tt/2Xz3ONL

What is tear gas?

Tear gas refers to a group of chemical irritants that can be used to control or disperse crowds.

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Earth from space: 'Overview effect' could help troubled country, astrophysicist Neil deGrasse Tyson says

Neil deGrasse Tyson thinks we could all use a strong dose of the overview effect right now.

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13 Significant protests that changed the course of history

The George Floyd protests against police brutality and systemic racism follow on the heels of many other significant protests that have changed the course of history.

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Τετάρτη 3 Ιουνίου 2020

Hydroxychloroquine doesn't prevent people from catching COVID-19, study finds

Taking the antimalarial drug hydroxychloroquine did not prevent people from coming down with COVID-19 after being exposed to the disease.

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How does ketamine work as an antidepressant? It’s complicated.

Experts say we need larger studies and more data.

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

Jane Goodall: Humanity is doomed if we don't change after this pandemic

We must take action to prevent future pandemics, she warned.

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#BlackBirdersWeek co-founders talk nature and race

#BlackBirdersWeek is an online event created with the goal of promoting and encouraging the inclusion of black people in science and nature communities traditionally dominated by white people.

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SpaceX rocket returns to shore after historic astronaut launch (photos)

The first stage of the Falcon 9 rocket that launched SpaceX's Demo-2 mission arrived in Port Canaveral, Florida, on Tuesday (June 2).

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

You attended a protest during a pandemic. Now what?

Protesting during a pandemic can be risky. Here are ways to lessen the risk and what to do after you've attended a protest against police brutality spurred by the death of George Floyd.

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Best-preserved dinosaur stomach ever found reveals 'sleeping dragon's' last meal

Just like a toddler, this dinosaur was a picky eater.

via Livescience.com https://ift.tt/303XWO9

Sexy, stinky corpse plant blooms to life on live stream (watch here)

Streaming video from NYC offers a stink-free view of the notoriously malodorous corpse plant in bloom.

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

Remnant of world's largest 'lava lamp blob' found off New Zealand coast

An underwater plateau near New Zealand was likely created by the 'largest volcanic outpouring' in Earth's history, a new study suggests.

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

Τρίτη 2 Ιουνίου 2020

Ancient DNA could reveal full stories on the Dead Sea Scrolls

Tiny traces of ancient DNA in Dead Sea Scrolls could help scientists piece the fragments together.

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Face masks may reduce COVID-19 spread by 85%, WHO-backed study suggests

The WHO-backed study found that face masks and eye protection really do prevent spread of COVID-19.

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

The fury in US cities is rooted in a long history of racist policing, violence and inequality

The protests that have engulfed American cities in the past week are rooted in decades of frustrations. African Americans have protested against these injustices going back as far as the post-Civil War days in the 1870s.

via Livescience.com https://ift.tt/301LjDp

Cambrian fossils show oldest example of parasites in action

Fossil brachiopods from China were crusted with parasites, which may have hijacked their hosts' feeding structures in order to steal their dinner.

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Do face masks really reduce coronavirus spread? Experts have mixed answers.

The bulk of evidence suggests that face masks might help contain coronavirus, but only a little.

via Livescience.com https://ift.tt/2XupbA0

Get ready for the full 'strawberry' moon on Friday

Much of the Eastern Hemisphere will see a penumbral lunar eclipse on Friday, but to North America, it will be just a regular full moon.

via Livescience.com https://ift.tt/2ZX9Rxj

Δευτέρα 1 Ιουνίου 2020

Half the matter in the universe was missing. Scientists just found it hiding in the cosmos.

Scientists just found the universe's missing baryon matter hiding in the cosmos.

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Scientists capture the world's deepest octopus on video. And it's adorable.

The octopus was found miles beneath the ocean surface.

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

Nazi diary reveals secret location of WWII treasure under a palace in Poland

A long-hidden diary written by a Nazi officer may point to the location of a treasure stash that includes more than 30 tons of buried gold.

via Livescience.com https://ift.tt/3eGq9Pg

Who created the polio vaccine?

In the early 1950s, Dr. Jonas Salk and Dr. Albert Sabin each found a way to protect the world from poliomyelitis, the paralysis-causing disease commonly known as polio. Here's how they did it.

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SpaceX 'stowaway' revealed by crew as sons' dinosaur toy 'Tremor'

A stowaway aboard SpaceX's first mission to launch astronauts to the International Space Station may have set a new record — the most sequins to enter Earth orbit.

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Here's how plants became meat eaters

Carnivorous plants began evolving about 70 million years ago, when an ancestor duplicated its entire genome, allowing some genes to be repurposed for hunting.

via Livescience.com https://ift.tt/2TVr6uP

Live Science podcast "Life's Little Mysteries" 31: Mysterious sneezing

In this episode of Life's Little Mysteries, we'll take a closer look at an involuntary bodily function that can sometimes be a little explosive: sneezing.

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