homehome Home chatchat Notifications


New mineral that shouldn't exist at Earth's surface found trapped in a diamond

Scientists never thought such a mineral could be found at the planet's surface.

Colorado man finds North America's rarest mammal in his garage

The animal was part of a captive group of ferrets released into the wild recently.

The "step test": If you can complete this simple 60-second test, it means you're heart is in good shape

The step test is a great approximation of cardiovascular fitness at one point in time.

The 'Tsar Bomba': the most powerful nuclear weapon ever made

The nuclear device was so powerful, it was too big to use effectively.

The lowest level of the atmosphere is expanding because of global warming

The troposphere is getting about 50 meters thicker per decade due the buildup of greenhouse gases, at a rate that has been increasing over time.

What is a Faraday cage and how does it work?

It prevents the entry or escape of electromagnetic fields

Why did plague doctors wear that weird beaked costume?

The sinister uniform represents a fascinating trip into history, during a time when humans were still struggling to understand infectious diseases.

What is sleep paralysis: the unsettling phenomenon at the boundary of wakefulness

We undergo sleep paralysis every night and don't notice it -- unless we're awake when it happens.

Between the hammer and the anvil: the Federal Reserve's plan to solve inflation at a 30-year high

In September, consumer prices rose by 5.4% compared to exactly a year before. This kind of inflation hasn’t been seen since 1991 and is more than double the Federal Reserve’s (Fed) long-term target of 2%. The reasons why prices have hiked in the United States are manifold, and many are obviously tied to the pandemic. […]

Astronauts may suffer from long-term brain damage, blood tests show

Astronauts may have to shorten their missions on the space station to mitigate this problem.

Why did birds survive the asteroid impact that wiped out the dinosaurs?

Big-brained birds were better at adapting to their rapidly shifting environment -- and that may have ultimately saved them.

Moral judgment condemning drug use and casual sex may be rooted in our genes

Many people hate both casual hookups and illicit drugs. Scientists found a genetic connection and the underlying motives may surprise you.

Sun-powered generator makes liquid fuel out of thin air

Although the process is not efficient, it's a proof of concept for carbon neutral liquid fuel.

Dogs that tilt their heads aren't just adorable: they're super smart

Dogs tilt their heads when they're focusing on associating the meaning of a word with a task.

Curiosity finds organic molecules in cup of wet Martian dirt

The findings bring us a step closer to finding signs of past habitability on the red planet.

Scientists find 'genetic goldmine' in driest place on Earth that may boost crop resilience

In an increasingly desertifying planet, these gene candidates could save some of our food crops.

Baby seals can modulate the pitch of their voice, much like humans do

A talking seal inspired scientists to look to the marine mammals for clues that might untangle the origin of speech.

A small asteroid just grazed past Antarctica. Why didn't anyone see it coming?

A reminder that our asteroid monitoring program is riddled with gaping holes.

Needle-free COVID-19 vaccine proves to be promising alternative to jabs

It can be self-administered by anyone, which would make it ideal as a 'booster' shot patients can pick up from local pharmacies.

Income inequality during the pandemic was kept under control by historic stimulus checks, study finds

If it weren't for the federal government spending on extra unemployment benefits and stimulus checks, this last recession would have been much worse.

Humanity's direct ancestor gets a new name. Meet Homo Bodoensis

Nothing actually new under the sun, but the new designation aims to clear a lot of confusion surrounding the human family tree.

Earth's inner core may actually be mushy

The planet's innermost layer is more like a soup than a brick.

Capuchin monkeys are 3,000 years into their own Stone Age

In a remote area of Brazil, capuchin monkeys have been adapting their own stone tools for thousands of years.

Scientists find universal law of nature that may govern all living things

Sensory adaptation follows the same response curve across all organisms, scientists have proposed in a new study.

Great White sharks may mistake humans for seals, explaining attacks

From below the water's surface, swimming humans may look like food -- especially to great white juvenilles.

The new Voyager: NASA is planning an interstellar mission that could last more than 100 years

It would travel faster and farther than any man-made object we've made thus far.

How a unique facial muscle makes those 'puppy dog eyes' irresistible to humans

Over the course of generations, humans have selected dogs that were better at communicating their feelings.

Critically endangered primate sings with rhythm, much like humans

These lemurs' songs have the same rhythm as the intro to We Will Rock You.

Sharpest picture of bacteria could give antibiotics new teeth

The high-resolution image shows chinks in the bacteria’s armor that could ultimately be used to destroy them.

Your brain may have a 'fingerprint' too

It's another biomarker that makes each individual unique.

Not this time: climate change, not humans, wiped out wooly mammoths

The environment changed faster than the mammoths could adapt at the end of the last Ice Age.

Gun violence in the U.S. increased by 30% during the pandemic, despite lockdowns

Fear and stress caused Americans to buy more guns than ever -- and we all know where that gets us.

Amazing 100-million-year-old crab found perfectly preserved in amber

The pristine fossil fills huge gaps in the fossil record, explaining how early crabs left the ocean for land.

Scientists transplanted working pig kidney into a human

It's one of the biggest medical breakthroughs we've seen.

Scientists make eco-knives from hardened wood that slice through steak

The wooden cutlery could prove a sustainable alternative to steel and ceramic knives.

Horse domestication traced to 4,200 years ago in the Western Eurasian steppe

These early tamed horses became so successful they replaced all other populations throughout Eurasia in just a few hundred years.

Revisiting sunlight exposure guidelines: balancing Vitamin D with skin cancer risks

Too little sunlight will make you Vitamin D deficient. Too much and you risk sunburns and skin cancer.

Neanderthals likely spoke and understood language like humans

Neanderthals had much better oral communication abilities than their ancestors, resembling those of humans.

Are digital wallets set to replace credit cards?

Barter, coin, fiat money, credit cards and now the digital wallet -- the latest obvious step in the evolution of payments.

Scientists explore our hate/love relationship with billionaires. A paradox of inequality

Our perceptions of billionaires can vary greatly, when viewed as a group or as individuals.

Diver finds 900-year-old Crusader sword in Israel

That moment when you're out casually diving and you find a Crusader knight's lost longsword.

At least we have the memes: internet humor helps people cope with COVID-19 anxiety

Pandemic memes not only ease stress but also help people process negative news without feeling overwhelmed by them.

Roman concrete from noblewoman's tomb still stands strong 2,000 years later. Here's why

Thousands of years worth of chemical interaction between a particular type of volcanic ash and water have made the Roman concrete stronger, not weaker, over time.

There are more studies than ever, but innovation is lagging. The paradox of contemporary science

Oh, oh. Science overload!

Scientists devise self-navigating cane for visually impaired

It uses the same tech as self-driving cars.

Voice mimicking AI dupes Alexa and other voice recognition devices

These algorithms open up a new avenue of scamming and hacking.

Ice Age humans have been using tobacco since at least 12,300 years ago

No lighters back then but hunter-gathers still found a way to enjoy tobacco.

People who've tried psychedelics have lower risk of heart disease and diabetes

Some people who try psychedelics may make important lifestyle changes for the better.

Breakthrough immunotherapy can kill tumors in some terminally ill cancer patients

The clinical benefits are astonishing in some cases.

The surprising similarity between Bitcoin and ancient stone money from a Pacific island

Bitcoin is often called digital gold, but perhaps digital stone money may be more apt.

1 33 34 35 36 37 158