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Why bigger isn't necessarily faster: a look at animal speed limit

Larger animals are faster -- but only to a certain point.

Silicon 3D-printed heart looks and functions much like the real deal

It could transform how heart transplants work.

The first full system test for the Hyperloop is a success. Not a pipe dream anymore

The first functioning Hyperloop could open as early as 2019 in Dubai.

Scientists use energy-recycling to make it easier than ever to climb stairs

It's meant for people who find it difficult to climb stairs.

How much does the Earth and its population weigh?

Humanity is getting more numerous and fatter while planet Earth itself is getting lighter.

Large carnivores like the lion or tiger lost more than 90% of their range in the last 500 years

Humans need room...

They're everywhere on facebook, and now scientists have stored a GIF inside a living bacteria with the help of CRISPR

It's the first time CRISPR was used to store and retrieve media from DNA.

Cheap but smart glove translates American Sign Language into text

The device could enable people with speech impairment to communicate easier.

Astronomers just found the smallest star ever. It's even smaller than Jupiter

This really is a dwarf star.

This wearable 'chairless chair' lets you sit wherever you want

Instead of sitting on a chair, you wear one. 

Adolescent girls and boys may experience depression differently

Your gender might have a say in how people experience mental disorders.

For the first time, scientists catch water turning into 'ice seven' -- a strange form of alien ice

Ice isn't as boring as you think.

For the first time, a vaccine for gonorrhea proves effective

Bacterial strains that cause gonorrhea have become resistant to antibiotics.

Eco-friendly artificial spider silk mimics one of nature's strongest materials

The artificial spider silk is non-toxic and the manufacturing process is sustainable. 

The internal urge to eliminate uncertainty favors conspiracy theories

Cognitive closure might compel some to love tinfoil.

Battery innovations might make electric cars cost-effective as early as 2022

Batteries are getting cheaper by the day.

Thousands of methane-filled bubbles are waiting to explode in Siberia

Some of the craters are 50 meters deep.

France will ban the sales of diesel and gasoline vehicles by 2040

Good job, France! *raises wine glass*

Chemical compounds found in Martian soil suggest the planet's surface is highly toxic

The prospect of finding life on Mars is getting bleaker.

How bees might help smartphone cameras snap more natural-looking photos

They give us honey. Now, bees could offer the best Instagram photos.

Russian space agency finally admits it's afraid of SpaceX and reveals how it plans to fight back

Can the Russians take on SpaceX?

Novel method can image cancer spreading at the single-cell level

It's now possible to see how individual cancer cells move through the body of a mouse.

Dinosaur extinction paved the way for an explosion of frog life

Move over dino. *Ribbit-Ribbit*

Early Neanderthal DNA suggests a modern human-related dispersal from Africa as early as 220,000 years ago

New insight into the evolution of Neanderthals but also into a common ancestral lineage.

American mothers are weirdly starting to eat placentas -- and that might be fatally dangerous for babies

Yet another stupid health fad is making waves.

Almost everything we know about salt may be wrong. Eating salt actually makes you less thirsty but hungrier

Turns out eating a high-salt diet makes the human body act like a camel hump. Read on...

Neanderthals might have practiced prehistoric dentistry 130,000 years ago

Still think Neanderthals were brutes?

What is Vertigo: the most common type of dizziness

Vertigo isn't always fun -- here's everything you need to know about the most common type of dizziness.

Gecko-inspired 'Velcro' could help cleanup our growing space junk problem

Inspired by nature, scientists tackle a sticky problem.

Carved human skull fragments found in world's oldest temple hint at a morbid cult

Another spectacular find from Göbekli Tepe.

Orbiting supermassive black holes confirmed by astronomers for the time

This is one slow dance.

Llama-like creature Darwin used to call the "strangest animal ever discovered" finally gets a family

“Imagine a camel without a hump, with feet like a slender rhino, and a head shaped like a saiga antelope."

Ravens remember the faces of people who duped them into unfair deals

Don't mess with ravens.

Urban birds use cigarette butts as chemical weapons against parasites

House finches use cigarette butts to ward off ticks. They do so on purpose.

World's largest wind turbine will be taller than the Empire State Building

In wind energy, bigger is almost always better.

Global sea levels rose 50% faster than two decades ago because of Greenland's melting ice sheet

The cost of non-action could be dramatic by the end of the century.

Electrocaloric refrigerators could be a more energy-efficient, light-weight alternative to today's fridges

Experimental technology for the future.

Living near noisy traffic makes it harder for women to get pregnant

Sleep quality might have something to do with the reported findings.

What exactly is a photon? Definition, properties, facts

Let's shine some light on the matter.

Why do bird eggs come in so many different shapes ? Look to the wings, biologists say

The best predictor of long or pointy eggs is a bird’s flying ability.

Amazing 14th-century longsword found in Polish bog

Not much is known about its owner.

Powerful magnetic beams might one day solve our space junk problems

ESA is proposing the most promising 'space janitor' yet.

A mutation might extend the lifespan of some men by ten years

Some are lucky.

Curiosity caught on camera climbing Martian mountain by orbiting spacecraft

Can you make out Curiosity from this satellite photo?

Dogs will sniff out stomach cancer in new Japanese trial

You can trust a dog's nose.

Driverless cars are an idea as old as the automobile itself: meet the 1911 'Robot Chauffeur'

This 100-year-old silent film is absurdly mesmerizing. Way ahead of its time!

Ancient prosthesis: a 3000-year-old Egyptian wooden toe

It belonged to the daughter of a priest close to the royal family.

Solar could supply up to 80% of domestic heating demand in northern latitude countries

Cold nights in Finland could be kept at bay with solar.

Icelandic family of ten psychotic members helps identify new psychosis-related mutation

One family is helping science make more progress than dozens of study before it.

Where humans went, cats followed -- the story of cat domestication started 9,000 years ago

From Egypt's pyramids to Viking longboats, cats never left our side since we invented agriculture.

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