Δευτέρα 31 Αυγούστου 2020

This week's full moon happens only once every 3 years

Usually September's full moon is closest to the autumn equinox. But this year, it isn't.

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

Coronavirus vaccine could get emergency approval before critical testing is complete, FDA says

The head of the U.S. Food and Drug Administration says that coronavirus vaccines may be given emergency approval before rigorous clinical trials are complete.

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

The sun may have a long-lost twin

There's a strange sphere of mass at the outer reaches of solar space. Did another star help put it there?

via Livescience.com https://ift.tt/2EIUtw3

US faces monkey shortage for COVID-19 research

Vaccines and treatments typically get tested in monkeys before humans.

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

US spy satellite launch delayed a week after abort in final seconds

A U.S. spy satellite launch on a Delta IV Heavy rocket was delayed a week after a last-minute abort Saturday (Aug. 29).

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

New quantum paradox throws the foundations of observed reality into question

Physicists have found a new paradox in quantum mechanics that throws doubt on some common-sense ideas about physical reality.

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

Russia declassifies footage of 'Tsar Bomba' — the most powerful nuclear bomb in history

In 1961, Russia detonated the Tsar Bomba, the most powerful nuke in history, over a remote Arctic island. New footage has been declassified and shared on YouTube.

via Livescience.com https://ift.tt/2EA2bsC

Παρασκευή 28 Αυγούστου 2020

Lab confirms first case of coronavirus reinfection in the U.S.

This is the fourth confirmed case of reinfection worldwide.

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

Can CBD soothe mourning elephants? A Polish zoo is about to find out

A zoo in Poland plans to test cannabidiol — also known as CBD, a chemical found in cannabis — on its elephants. The elephants are stressed after a death in the herd.

via Livescience.com https://ift.tt/31Ae9en

Seussian beast survived the Triassic by taking lots of naps

Analysis of this Triassic vertebrate's ever-growing tusks revealed that it may have spent part of the year hibernating.

via Livescience.com https://ift.tt/3hyBp1T

20 amazing animal tongues

Here's the science behind 20 animal tongues.

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

Study hints at how 'elite controllers' stifle HIV

Some people can suppress HIV without antiviral drugs — how?

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

Black hole 'hair' could be detected using ripples in spacetime

Hair may record the information swallowed by the gravitational monsters.

via Livescience.com https://ift.tt/2D79p6B

A teen unknowingly swallowed a sewing pin. It pierced his heart.

The 17-year-old went to the emergency room after experiencing chest pain for three days.

via Livescience.com https://ift.tt/3b4F9FN

Πέμπτη 27 Αυγούστου 2020

Ancient caiman with 'no parallel in the modern world' left 46 bite marks on sloth leg

This type of caiman could grow to up to 33 feet in length.

via Livescience.com https://ift.tt/3hBPv2D

Cells solved Henry VIII's infamous hedge maze by 'seeing around corners,' video shows

Cells intuitively avoided dead-ends in a microscopic maze using a technique called chemotaxis.

via Livescience.com https://ift.tt/2G4HF3D

Hand sanitizers sold in beer cans and children's food pouches? Don't buy them, FDA says

Some hand sanitizer products are being packaged in containers typically used for food and drinks.

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

Record-setting Hurricane Laura kills 4, leaves trail of destruction across Louisiana

The strongest Gulf hurricane since Katrina barrelled ashore in southwestern Louisiana early this morning (Aug. 27). Floodwaters may not recede for days.

via Livescience.com https://ift.tt/3b4r3Ve

FDA gives emergency approval to rapid, cheap coronavirus antigen test

Abbott Lab's rapid antigen test can be run without lab equipment in 15 minutes.

via Livescience.com https://ift.tt/32vjV06

Half the atoms in the planet could be digital data by 2245

A scientist predicts looming crises based on the growth of digital content

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

Τετάρτη 26 Αυγούστου 2020

Health experts frustrated with new CDC coronavirus testing guidelines

In an abrupt switch, the CDC changed its COVID-19 testing guidance.

via Livescience.com https://ift.tt/34BiwHZ

Half of Antarctic ice shelves could collapse in a flash, thanks to warming

Exactly when that will happen is the big unknown.

via Livescience.com https://ift.tt/3jirD4w

Laura will likely strengthen to a Category 4 hurricane

Hurricane Laura "continues to rapidly strengthen" over the Gulf of Mexico.

via Livescience.com https://ift.tt/3b5voY3

Earth's core is a billion years old

The solidification of the inner core may have strengthened Earth's magnetic field.

via Livescience.com https://ift.tt/2D0WQK1

Scientists discover the fastest-melting spot in East Antarctica

A hidden, deep-sea 'hotspot' is carving away this East Antarctic ice shelf from below, new research finds

via Livescience.com https://ift.tt/34wuAu9

How to build a universe after a big bounce

All you need is some string.

via Livescience.com https://ift.tt/3jdY6J9

Britain's oldest artwork may depict mammoths from a drowned land

Britain's oldest artworks have been unearthed on the Channel Island of Jersey, showing what apperar to be Ice Age scenes of mammoths in ancient lands now drowned by the sea.

via Livescience.com https://ift.tt/2Ey2DHs

Τρίτη 25 Αυγούστου 2020

Laura expected to slam into Texas and Louisiana as a Category 3 hurricane

Tropical storm Laura is now a hurricane, and it's expected to grow even stronger as it whirls toward Louisiana and Texas.

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

What are locusts and why do they swarm?

Locusts are described by their two dramatically different behavior patterns: Either docile and solitary, or active and sociable, forming gigantic, ravenous swarms.

via Livescience.com https://ift.tt/2Qo3Ljt

Africa declared free of wild poliovirus

Small outbreaks of the very rare, vaccine-derived poliovirus remain.

via Livescience.com https://ift.tt/2Qqfs9a

Stash of pure, 24-carat gold coins unearthed in Israel

All that protected this jar of gold was a nail and a good hiding spot.

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

A pup preserved in permafrost ate one of the last woolly rhinos on Earth

Before it died in what is now Siberia, this ice age puppy ate a chunk of woolly rhino meat.

via Livescience.com https://ift.tt/2Qp4JMc

The end of the universe may be marked by 'black dwarf supernova' explosions

A spectacular fireworks show will light up an otherwise pitch black universe.

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

Do STEM toys actually teach kids science and math?

Toys advertised as teaching STEM aren't always proven, but these recommendations have science to back them up.

via Livescience.com https://ift.tt/2CXDsO3

Δευτέρα 24 Αυγούστου 2020

Texas and Louisiana face a double whammy of tropical cyclones

Marco's rainfall and flooding will make Laura's even more serious.

via Livescience.com https://ift.tt/3aQ28oa

China started giving experimental COVID-19 vaccine to medical workers in July

The vaccine has been approved for emergency use in medical workers, customs and border officials and other high risk groups.

via Livescience.com https://ift.tt/31p0dnh

FDA allows wide use of plasma for COVID-19 with little data that it works

Last week, the FDA stated it needed much more data to authorize the treatment.

via Livescience.com https://ift.tt/32j0aIY

First case of coronavirus reinfection confirmed, researchers say

A man in Hong Kong was reinfected with the novel coronavirus twice, but didn't develop any symptoms the second time.

via Livescience.com https://ift.tt/3l8c4OB

'Death screams' of swarming bacteria help their comrades survive antibiotic attacks

Swarms of bacteria can survive encounters with antibiotics because some of the dying microbes emit "chemical death cries," an action known as necrosignalling.

via Livescience.com https://ift.tt/3hqk5fu

A supernova may have triggered a mass extinction on Earth 359 million years ago

The supernova of a star around the end of the Devonian period bathed Earth in radiation and exterminated species worldwide.

via Livescience.com https://ift.tt/3j8W6Sj

Live Science podcast 'Life's Little Mysteries' Episode 48: Mysterious Beer

This alcoholic beverage has quenched thirsts for thousands of years and is one of the oldest chemistry experiments in the world.

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

Massive stone structures in Saudi Arabia may be some of oldest monuments in the world

Mysterious stone structures that dot lava fields and deserts across Saudi Arabia may be some of the oldest monuments in the world, scientists say.

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

Παρασκευή 21 Αυγούστου 2020

Astronaut spots California wildfires from space, sends 'thoughts and prayers' to victims

California is on fire, with more than 360 individual blazes scorching across the state. Unsurprisingly, the effects are visible from space.

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

Clouds of star-forming gas are being shot 'like bullets' across the galaxy

Two clouds of cold-star forming gas are sailing on the Milky Way's hot nuclear wind, and nobody can explain why.

via Livescience.com https://ift.tt/34hvkmK

First ever double hurricane could hit the Gulf of Mexico

There's no record of two hurricanes being in the Gulf of Mexico at the same time. Next week, that could change.

via Livescience.com https://ift.tt/32dlAr5

Mauritius wreck that leaked tons of oil into the sea may soon be sunk to the bottom of the Indian Ocean

Nearly a month after a ship struck a coral reef off the island nation of Mauritius, causing a catastrophic oil spill, tugboats lugged it out to sea where it is now going to be sunk.

via Livescience.com https://ift.tt/3l5qDT1

Florida releasing genetically modified mosquitoes to prevent diseases like Zika

Some oppose the plan, citing environmental concerns.

via Livescience.com https://ift.tt/2Emt96n

Why is wildfire smoke so bad for your lungs?

Wildfires blanketing several Western cities are creating hazardous health conditions. Don't count on cloth masks to protect your lungs.

via Livescience.com https://ift.tt/3j84zp7

Is honey really a miracle cure for coughs and colds?

Honey probably works about as well as or better than over-the-counter cough syrups. The bad news is, those don't work that well.

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

Rainbow meteorite discovered in Costa Rica may hold building blocks of life

A small, soft smacked into Costa Rica on April 23, 2019. And it carried dust older than our sun, as well as clues regarding how life formed on Earth.

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

Will California's giant redwoods survive the raging wildfires?

Will the majestic redwoods of California's coast survive the lightning-sparked fires raging across the state?

via Livescience.com https://ift.tt/3j2bIXK

Fishing boat outbreak suggests antibodies protect against COVID-19 reinfection

Three crew members had neutralizing antibodies against the virus prior to the boat's departure.

via Livescience.com https://ift.tt/3j08F2d

Πέμπτη 20 Αυγούστου 2020

How Earth's gravity changed record-breaking asteroid's path forever

Though 2020 QG survived its recent encounter with Earth, the rock's path through space was altered significantly.

via Livescience.com https://ift.tt/3l3dJVo

Fossilized 'ocean lizard' found inside corpse of ancient sea monster

An ichthyosaur devoured a thalattosaur about 240 million years ago.

via Livescience.com https://ift.tt/31eoqg4

Mummified kitten 'strangled' to death before being offered to the gods, new 3D scans reveal

Researchers scanned the mummified corpses of a cat, a snake and a bird, revealing the grim details of their deaths

via Livescience.com https://ift.tt/3l4vmUQ

Watch SpaceX boat catch falling payload fairing in giant net (video)

SpaceX just plucked another payload fairing out of the sky, and you can see video of the dramatic cosmic catch.

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

COVID-19 has the potential to be as deadly as the 1918 flu

Mortality rates in New York City during the early COVID-19 outbreak and in the peak of the 1918 flu pandemic were "in the same ballpark."

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

Crusader battlefield where 'Richard the Lionheart' defeated Muslims is unearthed in Israel

Several clues indicate that a field near Tel Aviv is the site of the 1191 battle.

via Livescience.com https://ift.tt/2Q76VYP

FDA wants more proof COVID-19 plasma therapy works

The agency is waiting on more data from "gold standard" clinical trials.

via Livescience.com https://ift.tt/328F2VN

Τετάρτη 19 Αυγούστου 2020

Ancient stone 'breadcrumbs' reveal early human migration out of Africa

Nubian Levallois flints thought to date from 100,000 years ago have been found in Israel's Negev Desert, the farthest north that the distinctive technology attributed to early modern humans has been found so far.

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

Interstellar visitor 'Oumuamua could still be alien technology, new study hints

The idea that interstellar object 'Oumuamua is a hydrogen iceberg has a flaw.

via Livescience.com https://ift.tt/3g9LXDe

Will the 2020 election be a 'fraudulent mess'? The science says no.

Mail-in voting does not seem to promote one political party over another, nor does it seem subject to rampant fraud, as President Trump has claimed.

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

How NASA is dealing with the 'dent' in Earth's magnetic field

NASA scientists are watching the evolution of a hiccup in Earth's magnetic field called the South Atlantic Anomaly, which can affect satellite operations.

via Livescience.com https://ift.tt/3j7fOy7

A car-sized asteroid made the closest Earth flyby a space rock has ever survived

A newly discovered car-sized asteroid just made the closest-known flyby to Earth without hitting our planet.

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

Τρίτη 18 Αυγούστου 2020

This palm-sized elephant relative was just sighted for the first time in 50 years

A bit of peanut butter lured the wee mammal out from the rocky lands of Djibouti in the Horn of Africa.

via Livescience.com https://ift.tt/34i3x5L

What if a powerful hurricane hits during the pandemic? Here's how to prevent a double disaster.

A new model hints that sending evacuees to counties with low COVID-19 spread may help minimize cases.

via Livescience.com https://ift.tt/322Esc5

California reports first human plague case in 5 years

"Human cases of plague are extremely rare but can be very serious," officials said.

via Livescience.com https://ift.tt/316W4Ei

What does the Pentagon's new UFO task force mean? Experts weigh in.

The Pentagon just announced the creation of a task force to analyze and understand the "nature and origins" of UFOs. Here's what the much-hyped news means.

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

Massive 'Darth Vader' sea bug pulled from waters near Indonesia

A newly described supergiant species of "sea bug" — a marine arthropod known as an isopod — was recently discovered in the Indian Ocean.

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

Δευτέρα 17 Αυγούστου 2020

FDA approves new saliva test for COVID-19 that's simple, cheap and available now

The test doesn't require any proprietary equipment or technology, meaning designated laboratories could follow a specific protocol to conduct their own tests.

via Livescience.com https://ift.tt/3157j08

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

Trump administration to approve Arctic wildlife refuge for oil and gas drilling

The section of the refuge poised to be leased is a key habitat for Arctic wildlife.

via Livescience.com https://ift.tt/2PY8Q1G

Novavax COVID-19 vaccine enters second round of human trials

The trial will include 2,665 healthy adults and 240 medically stable adults with HIV.

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

Weird 'boomerang' earthquake recorded for the first time

A massive earthquake in the middle of the Atlantic Ocean in 2016 ricocheted east then west like a geologic boomerang.

via Livescience.com https://ift.tt/2E4nYIz

Nothing will stop Greenland's ice sheet from shrinking now

If humans stopped heating up the climate instantly, Greenland's ice sheet would keep shrinking.

via Livescience.com https://ift.tt/2Q2EQSd

Death Valley tops 130 F, setting possible global heat record

The temperature peaked at a blazing 130 degrees Fahrenheit (54.4 degrees Celsius) in Death Valley, California Sunday (Aug. 16). That's the hottest reliable temperature reading ever, anywhere in the world.

via Livescience.com https://ift.tt/2PXoB96

The best STEM toys 2020

Which STEM toys actually help your child develop? We answer this question and offer advice on the best STEM toys to buy in 2020.

via Livescience.com https://ift.tt/346IBhV

Astronomers bounced a laser off a spacecraft whirling around the moon

Astronomers have bounced lasers of mirrors left by Apollo astronauts on the lunar surface for decades. But this is the first time bouncing one off a lunar orbiter — after a decade of trying.

via Livescience.com https://ift.tt/349fKcW

NASA powers up Ingenuity helicopter on Mars for the 1st time

NASA powered up its Mars helicopter Ingenuity for the first time on Aug. 7 and tested the little craft's electronics.

via Livescience.com https://ift.tt/2Q09POR

Κυριακή 16 Αυγούστου 2020

What would happen to Earth if humans went extinct?

Lacking human oversight, glitches in oil refineries and nuclear plants could lead to fires, nuclear explosions and fallout.

via Livescience.com https://ift.tt/3kRhJs0

Παρασκευή 14 Αυγούστου 2020

Depression and anxiety are skyrocketing in young adults amid pandemic

The new findings "highlight the broad impact of the pandemic and the need to prevent and treat these conditions," the authors wrote.

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

World-renowned climate scientist dies in ice accident in Greenland

Konrad Steffen was one of the world's leading experts on climate change. In the end, it was climate change that killed him.

via Livescience.com https://ift.tt/3gXKzo9

Scientists probe the weird, alien water inside of Uranus and Neptune

Researchers are investigating an alien version of water inside the strange, icy interiors of Uranus and Neptune.

via Livescience.com https://ift.tt/2FlZ3jT

These armored sea bugs from a half-billion years ago had 'disco ball' eyes filled with tiny lenses

The eyes of a trilobite — an armored arthropod that lived almost half-a-billion years ago — resemble the compound eyes of modern bees.

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

Famous alien-hunting telescope slashed to pieces in mysterious midnight accident

Puerto Rico's famous alien-hunting telescope called the Arecibo Observatory took massive damage after a cable snapped in the dead of night.

via Livescience.com https://ift.tt/31Qh95l

Live Science podcast 'Life's Little Mysteries' special report: Coronavirus (Aug. 13)

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/2E1VgI0

Πέμπτη 13 Αυγούστου 2020

Freemasons: Behind the veil of secrecy

Freemasonry is often misunderstood as a cult or a religion, but it's actually the world's largest fraternal organization with a long and complex history.

via Livescience.com https://ift.tt/3fV6lI3

Should you ditch your gaiter as a face mask? Not so fast, scientists say

Some masks are more protective than others. But a new study didn't show which ones work best.

via Livescience.com https://ift.tt/3iB7l5O

That COVID-19 vaccine Russia approved? It's only cleared for use in a small group of people.

The vaccine cannot be fully approved until 2021, according to its registration certificate.

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

Don't wear masks with valves, CDC says

Masks with these one-way valves expel respiratory droplets from the wearer into the air.

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

Thomas Cromwell used 'cut and paste' to insert himself into Henry VIII's Great Bible

New research reveals a plot by Henry VIII's chief minister, Thomas Cromwell to change the balance of power on the Great Bible's front page, just a year before his execution for high treason.

via Livescience.com https://ift.tt/3iwxQt4

Cretaceous 'terror crocodile' crushed dinosaurs with banana-size teeth

New analysis of the ancient crocodylian Deinosuchus confirms that this apex predator had jaws and teeth that were powerful enough to subdue massive dinosaur prey.

via Livescience.com https://ift.tt/31QyAm6

NASA to stop using racist nicknames for cosmic objects

NASA will discontinue the use of certain nicknames for astronomical objects that are considered to be racist, the space agency said Aug. 5.

via Livescience.com https://ift.tt/2Cm1wts

Τετάρτη 12 Αυγούστου 2020

Vaping linked with much higher risk of getting COVID-19

The study involved more than 4,300 U.S. teens and young adults.

via Livescience.com https://ift.tt/3gWAjN6

Trippy 'reverse waterfalls' seen flowing backwards in Australia

During a recent storm, waterfalls on the East coast of Australia seemingly flowed in reverse.

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

Oldest human cremation in the Near East unearthed

In 7000 B.C., a kiln-like pit became the site of the earliest know human cremation in the Near East.

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

Could cat drugs treat humans with COVID-19?

Two experimental drugs for feline coronavirus could show promise against COVID-19.

via Livescience.com https://ift.tt/31ODU9J

SpaceX wins Pentagon rocket contract to send spy satellites into orbit

SpaceX and United Launch Alliance will share the job of launching the Pentagon's most important military equipment from 2022 to 2026.

via Livescience.com https://ift.tt/33S4IbN

Meet the 'vampire' parasite that masquerades as a living tongue

Digital models of a fish skull revealed a parasitic stowaway inside its mouth: a "tongue biter" isopod that consumed and then replaced the fish's tongue.

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

Insect apocalypse? Not so fast, at least in North America

Recent reports of dramatic declines in insect populations have sparked concern about an 'insect apocalypse.' But a new analysis of data from sites across North America suggests the case isn't proven.

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

What would happen if a black hole fell into a wormhole?

Astronomers might detect black holes falling into wormholes via ripples in space-time called gravitational waves, a new study finds.

via Livescience.com https://ift.tt/3ajYS47

Τρίτη 11 Αυγούστου 2020

Russia approves 'Sputnik V' COVID-19 vaccine with little human testing

Only late-stage human trials can show that a vaccine is both safe and effective.

via Livescience.com https://ift.tt/33OWG3j

COVID-19 has fueled more than 2,000 rumors and conspiracy theories

Along with the COVID-19 pandemic, the world has faced an "infodemic" of misinformation.

via Livescience.com https://ift.tt/3fQ0Ha5

If you've never gazed upon the bald butt of a baby tarantula, now's your chance

If you've never gazed upon the bald butt of a baby tarantula, now's your chance.

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

New Zealand reports first local COVID-19 transmission in 102 days

The country will reinstate temporary COVID-19 restrictions.

via Livescience.com https://ift.tt/2XO0v5a

Woolly mammoth with preserved poop, wool and ligaments dredged from Siberian lake

It's unclear what killed this roughly 15-year-old male woolly mammoth at least 10,000 years ago.

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

4,500-year-old 'timber circles' discovered in Portugal

The remains of several timber circles constructed over 4,500 years ago have been discovered at the Perdigões complex archaeological site in Portugal.

via Livescience.com https://ift.tt/31A2St6

NASA spacecraft gets a look at one of the strangest places in the solar system

For a few months in 2018, as NASA's Dawn spacecraft used up its last drops of fuel, it gave scientists an incredibly detailed look at one of the strangest places in the solar system: Occator Crater.

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

Landmark transplant in 1960s Virginia performed with heart stolen from a Black man

A groundbreaking heart transplant in Virginia in 1968, one of the first in the world, was performed using the heart of a Black patient that was taken without his family's knowledge.

via Livescience.com https://ift.tt/2PV86up

Book excerpt: 'The Organ Thieves' (Simon and Schuster, 2020)

White surgeons racing to perform a pioneering transplant in 1968 took a Black patient's heart — but didn't tell his family.

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

Amazing photos of nocturnal animals

Take a look at these fantastic creatures of the night.

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

Δευτέρα 10 Αυγούστου 2020

2 captive beluga whales finally freed to a seawater sanctuary in Iceland

Two young beluga whales that were on show in an aquarium in Shanghai have now arrived at a seawater sanctuary off Iceland. This is the first time they've seen the sea in more than a decade.

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

Canada’s last intact ice shelf just collapsed

In less than 48 hours, the last intact ice shelf in the Canadian Arctic collapsed, losing more than 40% of its mass.

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

Is our solar system shaped like a deflated croissant?

The bubble of charged particles that surrounds our solar system looks more like a deflated croissant than a comet, as traditionally envisioned, a recent study suggests.

via Livescience.com https://ift.tt/3gMnp4j

What is brain death? New guidelines offer answers.

Different states and different countries have never fully agreed on the procedure for determining brain death.

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

New Zealand goes 100 days with no COVID-19 transmission

New Zealand, a country of about 4.8 million, has now gone 100 days without a single locally transmitted case of COVID-19.

via Livescience.com https://ift.tt/2XHZZW8

Live Science podcast 'Life's Little Mysteries' Episode 46: Mysterious Elephants

Elephants are part of a family that's been around for approximately 16 million years, and they are the biggest land animals alive today.

via Livescience.com https://ift.tt/2DQ5I5j

Decoys could trick COVID-19, keep humans safe from infection

A "decoy receptor" could potentially be used as a treatment or prophylactic.

via Livescience.com https://ift.tt/30G9uaj

Pandemic childcare is way more stressful for moms than dads

Staying at home has mixed effects on gender equality.

via Livescience.com https://ift.tt/3gKDW8H

Κυριακή 9 Αυγούστου 2020

Why do we develop lifelong immunity to some diseases, but not others?

Why do some diseases infect us again and again?

via Livescience.com https://ift.tt/3a9NS9d

Oil spill off Mauritius is visible from space

The Indian Ocean island nation of Mauritius is on the brink of an environmental catastrophe after a bulk carrier struck a coral reef off its coast in late July, an accident that has led to a large oil spill visible from space.

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

Σάββατο 8 Αυγούστου 2020

When did humans discover how to use fire?

Fire influenced the evolution of humanity.

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

Moon may outshine Perseid meteor shower this month

Skywatchers beware: The moon will hinder attempts to observe the Perseids, typically one of the year's most spectacular meteor showers.

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

Could COVID-19 increase the risk of memory loss?

Will there be a COVID-19-related wave of memory deficits, cognitive decline and dementia cases in the future?

via Livescience.com https://ift.tt/31xHpB9

Παρασκευή 7 Αυγούστου 2020

What is taxonomy?

Taxonomy is the science of naming, defining and classifying organisms into evolutionarily related groups. It gives biologists a common language.

via Livescience.com https://ift.tt/31t9I3D

Wear a mask: You could help save 66,000 lives in the US

If 95% of people in the U.S. started wearing masks every time they left their homes, the total number of projected deaths would drop 49%.

via Livescience.com https://ift.tt/3a9F4jJ

Physicists watch quantum particles tunnel through solid barriers. Here's what they found.

A team of physicists has devised a simple way to measure the duration of a bizarre phenomenon called quantum tunneling.

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

Live Science podcast 'Life's Little Mysteries' special report: Coronavirus (August 6)

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.

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Mysterious 'fast radio burst' detected closer to Earth than ever before

Scientists traced a fast radio burst (FRB) to a known star inside the Milky Way for the first time.

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

Sly fox steals 100 shoes in Berlin, and he’s not the first

Authorities finally identified the culprit responsible for the mysterious disappearance of dozens of shoes from a German neighborhood.

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Πέμπτη 6 Αυγούστου 2020

4 die from drinking tainted hand sanitizer, CDC reports

The hand sanitizer products contained methanol, a toxic substance.

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Mystery ancestor mated with ancient humans. And its 'nested' DNA was just found.

Today's humans carry the genes of an ancient, unknown ancestor, left there by hominin species intermingling perhaps a million years ago.

via Livescience.com https://ift.tt/2XD5w0h

China launches 2 satellites from Gobi Desert

China is continuing its rapid rate of space launches with its 22nd mission of 2020.

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

Scythelike jaws of Cretaceous 'hell ant' clutch a baby cockroach in an amber tomb

The death strike of a Cretaceous "hell ant" from 99 million years ago is preserved in amber, revealing how these demonic-looking ants hunted.

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'Busy' hurricane season is about to get a whole lot busier, NOAA says

NOAA experts predict an "extremely active" hurricane season, with as many as 25 named storms.

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

Trump says 'NASA was Closed & Dead' before he took charge. That's not true.

President Donald Trump took to Twitter Wednesday (Aug. 5) to announce that he brought NASA back from being "Closed & Dead."

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Weird 'broomstick' necked Triassic reptile named after mythical Greek sea monster

These strange, long-necked Triassic beasts were able to coexist because they chowed down on different prey.

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Heavy atom spills its guts in decade-long experiment

A new experiment on ultra-rare astatine could open the door to cancer treatments and new research into super-heavy atoms.

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Τετάρτη 5 Αυγούστου 2020

Common colds train the immune system to recognize COVID-19

T cells that recognize common cold coronaviruses also recognize specific sites on SARS-CoV-2.

via Livescience.com https://ift.tt/2XwHS5D

Poop stains visible from space reveal hidden colonies of Antarctic penguins

There might be nearly 20% more emperor penguin colonies in Antarctica than previously thought.

via Livescience.com https://ift.tt/2DBZN3G

Convalescent plasma could reduce death from COVID-19, early data suggests

But few "gold standard" trials have been completed on the therapy, so take the results with a grain of salt.

via Livescience.com https://ift.tt/33yOt35

The Congo River Basin: Home of the deepest river in the world

The Congo River is a long, arcing river in West-Central Africa, featuring a rainforest and providing food and transport for 75 million people.

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Does coronavirus linger in the body?

If the coronavirus "hides out" in seemingly recovered individuals, it could explain lingering symptoms of COVID-19 or pose a risk for transmission of infection to others even after recovery.

via Livescience.com https://ift.tt/3fv5NZf

Beirut blast: How does ammonium nitrate create such devastating explosions?

Fertilizer is behind many of the worst accidents and terrorist attacks in history.

via Livescience.com https://ift.tt/2hAL1Pt

Massive ancient temple complex may lurk beneath famous Northern Ireland fort

Archaeologists have found Iron Age temples and medieval structures in Northern Ireland.

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

Here is the best place on Earth to see stars, according to science

Scientists confirm that ‘Dome A’ in Antarctica is the best place on Earth to see stars.

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Τρίτη 4 Αυγούστου 2020

Fall could bring rare, paralyzing illness in children, CDC warns

Whether social distancing measures to prevent COVID-19 will also reduced AFM cases is unknown.

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'Mono' virus turns on cancer-related genes. Here's how.

A new cell study hints at how the Epstein-Barr virus drives cancer.

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

Humpback whale charges swimmers in Australia, sends two to hospital

A humpback whale attacked two swimmers with its fins and sent them to the hospital

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Humpback whale charges swimmers in Australia, sends two to hospital

A humpback whale attacked two swimmers with its fins and sent them to the hospital

via Livescience.com https://ift.tt/2Xnb7HV

Thousands of Earthlike 'blanets' might circle the Milky Way's central black hole

Tens of thousands of planets like Earth and Neptune might orbit the giant black hole at the center of the Milky Way.

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The Live Science merch store is back with more science-y gear

If you're a science geek like us, you'll love the new and improved Live Science merch store, where you can get all of your science-y gear, from t-shirts and mugs to tote bags and stickers.

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Isaias treks up the East Coast, threatening strong winds, tornadoes

Tropical storm Isaias strengthened into a category 1 hurricane before hitting North Carolina last night, bringing rapid flooding

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

1st intact evidence of Incas' underwater ritual offerings found in a lake in the Andes

Spanish records dating to the 16th century hinted that the Inca people performed underwater ritual offerings, and archaeologists have finally found one that's still intact.

via Livescience.com https://ift.tt/3k6LwNf

Ancient Mars may have been covered in ice sheets

Early Mars may not have been quite the warm, wet paradise scientists have hoped for — not if the valleys scarring its surface work the same way as their counterparts here on Earth do.

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What's the risk of catching COVID-19 on public transportation?

A new study analyzed information from thousands of passengers who traveled on China's high-speed trains.

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

Δευτέρα 3 Αυγούστου 2020

Two Canadian ice caps have completely vanished from the Arctic, NASA imagery shows

New NASA imagery shows that the St. Patrick bay ice caps have vanished from Arctic Canada, two years sooner than scientists predicted

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Fauci: No one can predict how bad the pandemic will get this fall

But to bring the coronavirus case counts down to manageable levels, we can take steps that we know works.

via Livescience.com https://ift.tt/31dUq2O

Tropical storm Isaias forecast to strengthen into a hurricane before hitting the Carolinas

Isaias is expected to bring strong winds and heavy rainfall from the Carolinas to the Mid-Atlantic coast

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After being swallowed alive, water beetle stages 'backdoor' escape from frog’s gut

An aquatic beetle species takes unusual action to escape digestion after being swallowed by frogs.

via Livescience.com https://ift.tt/3gnUu6g

'I prayed for this one,' SpaceX's Elon Musk says after NASA astronauts' splashdown success

A relieved SpaceX CEO Elon Musk welcomed home the first NASA astronauts to fly to space on his company's Crew Dragon vehicle.

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Dogs may sense Earth's magnetic field and use it like a compass

Some hunting dogs may be able to sense Earth's magnetic field and use it as a compass, scientists are now reporting.

via Livescience.com https://ift.tt/2EMG0z5

Evolution turned this fish into a 'penis with a heart.' Here's how.

Anglerfish are literally missing part of their immune system, but this allows them to permanently fuse during sex, new research suggests

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55 million-year-old owl with murder feet unearthed

An exceptionally rare owl fossil dating to 55 million years ago hints that the predatory bird killed with its powerful talons rather than its beak, as modern owls do.

via Livescience.com https://ift.tt/3i2QwR3

Κυριακή 2 Αυγούστου 2020

The first SpaceX astronauts are returning to Earth right now. Here's how to watch.

SpaceX's Demo-2 test flight will end in the Gulf of Mexico today, about two months since its launch opened the era of commercial crewed spaceflight.

via Livescience.com https://ift.tt/3fqsU78

What happens to your body when you're an organ donor?

With organ donation, the death of one person can lead to the survival of many others. But when a donor dies, how do doctors save their organs for transplantation?

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