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Why Stephen Hawking Was Afraid of Aliens

"Meeting an advanced civilization could be like Native Americans encountering Columbus," he said.

Scientists make most precise measurements of antimatter -- but only deepen mystery

Hydrogen and anti-hydrogen are unremarkably the same.

Astronomers discover a clump of black holes around our galaxy's center

For the first time, astronomers have managed to confirm the existence of a black hole population surrounding the core of our galaxy.

Vikings may have used crystals to navigate during cloudy weather

It's a magnificent story that's got it all -- Vikings, crystals, and computer models.

Could life be hiding in the clouds on Venus?

You wouldn't be wrong to call it 'hot' real estate.

How birds "see" magnetic fields

Seeing is believing.

Scientists use astronomy software to protect endangered creatures from poachers

Drones are hot on the poachers' hot traces.

Astronomers find the most distant star ever, looking through a galactic magnifying glass

The findings might help piece together the evolution of the universe.

Antarctic ice sheet is melting underwater, and this is a big problem

A surprise lurking below the surface.

Stressed out? Try briefly quitting Facebook, new study says

#deletefacebook?

Cyprian dolphins resort to chewing through fishing nets due to overfishing

We're not giving them any other option.

Bahrain announces new, massive 80-billion-barrels shale oil reservoir

Is this good news or bad news?

Rare dinosaur footprint fossils give clues into a forgotten era

These tracks lead to a different world.

Bats are migrating earlier due to climate change, and this could spell trouble for our crops

Bats provide more than $22 billion of indirect value to farmers by controlling pests. When bats fall, so does our food.

The CDC thwarted 220 cases of pathogens with 'unusual' antibiotic resistance last year alone

If there's something strange in your neighborhood, who you gonna call? It better be the CDC.

Scientists reprogram brain cells that store memories about places

German researchers reprogramed brain cells to investigate how place memories are formed.

You can now add pasta to your list of healthy diet foods, study suggests

Researchers discovered that pasta didn't contribute to weight gain or increase in body fat.

Marijuana legalization helps decrease opioid consumption, research shows

In states where both recreational and medical marijuana was legalized, opioid prescriptions dropped about 14%.

Researchers zero in on Lyme disease's ability to resurface months after treatment

Its not really the bacteria that does most damage -- it's our bodies' response.

How stress impairs our ability to learn and recall

This explains why some people fail exams despite having studied for it.

We're all dupes for food we crave, willing to pay significantly more even when it's bad for us

You don't need everything you want, and you don't want everything you need.

Extinct monitor lizard used to have four eyes -- and this is a pretty big deal

The extra eyes are called the pineal and parapineal organs.

X-Rays could sterilise alien planets that would be otherwise habitable

It's a small chance, but having a small chance of something wiping out all of life on a planet still seems like too much.

Gravitational waves might be created at the centre of most galaxies

Looks like we can expect more gravitational waves in the near future.

The Milky Way might be getting bigger

The Milky Way galaxy is on an eating spree.

Almost 40% of at-home DNA tests are inaccurate, scientists warn

At-home DNA tests are used to offer information about one's ancestors, risks of certain diseases, and other traits, such as eye color.

Mind-controlled mice are forced to ignore food, water, and sex to complete maze

This was equally awesome and disturbing to watch.

Astronomers use gravity to zoom in on incredibly distant star

A new take on the whole 'twinkle twinkle' thing.

NASA's next mission to Mars will map the planet's interior, scheduled for May 5th

We'll learn more about our own home in the process, things that we never could here on Earth.

Paris Climate Agreement 1.5˚C goals would help keep the Arctic icy

Otherwise, we can expect an ice-free Arctic.

It takes about 200 hours with someone to turn them into a best friend, new study shows

Making new friends take time. A new study quantified how long it takes, on average, for an acquaintance to climb our social circle.

Eating out linked with hormonal disruptions, researchers say

Researchers discover a 35% increase in the levels of a chemical substance linked to asthma, type 2 diabetes, and infertility, in those who dined at restaurants the previous day.

Scientists describe the person who's most likely to rise up against antisocial behavior: extrovert, confident, and altruistic

We all want to be the hero in our lives, but we don't really like standing up for what's right.

Good-looking people are more likely to feel that life is fair

When life gives you lemons... you think of it as a very sour place.

Bioinspired surface harvests water from thin air

Inspired by the pitcher plant and rice leaves, researchers have devised a new method that harvests water straight from the air.

Students get poorer grades at classes that don't match their biological clocks

ZzzzZzzzZzzz

Scientists crack the eggshell nanostructure, finding what makes it so strong

The findings are important for food safety, but also materials science.

Drug could make human blood deadly toxic to mosquitoes

A drug developed in the 1980s to fight parasites can make human blood toxic to mosquitoes when taken in a high dose.

Nightmarish but brilliant blobs -- AI-generated nudes would probably make Dali jealous

Hard to look at, harder to look away.

In California, coffee retailers must now have cancer warning, judge rules

What do you think about this decision?

Marijuna is nowhere near as dangerous to the brain as alcohol

Marijuana does not reduce the size of gray matter or white matter, unlike alcohol.

Researchers investigate intriguing 'baby' tyrannosaur fossil

It's an extremely well-preserved fossil, but for now, it raises more questions than it answers.

Several 13,000 year-old human footprints discovered on Canadian Pacific coast

'Every step you take' meets archaeology.

Water may, ironically, be the root of Mars' dreariness -- it could have sabotaged its magnetic field

The theory shows that as long as Earth's interior stays hot, it should avoid this fate.

Study analyzes the environmental impact of chocolate production -- and it's not pretty

No one's saying you shouldn't eat chocolate, but at least you should be aware of its impact.

NASA creates stunning visualization of melting snowflake

Something as simple as a snowflake melting can be very difficult to understand.

Rubber duckies are a haven for bacteria, new study shows

Adorable little dirty rubber duckies.

Scientists finally learn why cracking knuckles makes that annoying sound

That sound! Hate it or love it -- but at least we know what causes it.

The Sahara desert expanded by 10% in the last century

The world's largest warm desert grew by 10% since 1920.

Viruses can infect so many different hosts because they evolve in a way that we’ve never seen before

They just keep on changin'.