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A toxicologist explains the impacts of antidepressants on fish — and no, they're not getting any happier.

You are much more likely to die in a car crash than from terrorism. Yet, philosopher Eran Fish says fearing terrorism more is justified.

Disease kills off 40% of farmed catfish. This gene protects them.

"Ghost gear" leads to hundreds of thousands of animal deaths.

If cocaine affects sharks at all, it does so as an anesthetic, not as a stimulant.

Sweet, bitter, salty, sour. These are the four basic tastes we were taught in grade school. But there is a fifth: umami. And it's everywhere.

Tracing the origin and development of jaws — and other anatomical features that humans share — sheds some light on how we came to be.  

The spikes in their mouths would have helped them catch squid or fish.

Without even realizing it, we’ve actually become pretty god-like in our powers.

Hundreds of millions of animals get killed for meat every day.

Local researchers identify a striking rainbow-colored fairy wrasse found off the coast of the Maldives as a fish species all its own.

Deep underwater, temperatures are close to freezing and the pressure is 1,000 times higher than at sea level.

Could it be culture?

If dogs are out in coats and boots, how are the squirrels feeling?

Fish are surprisingly good in numbers tests — a skill that sometimes makes the difference between life and death.

The flavor is "simultaneously fascinating and... abusive."

Venerated astrophysicist Carl Sagan entertained the possibility.

Human beings are descendants of these early tetrapods – at least those who made a new life on land.

The intensely white coloration of the shrimp is a remarkable feat of bioengineering.

If someone can make you feel insecure, incomplete, and inadequate, they then can present themselves as the solution you need.

Oxytocin can boost heart cells' ability to regenerate.

Now they're pointing the way to future battery technologies.

From crocodiles to birds, certain animals managed to survive some of the worst extinction events in world history.

Metaphors like the Great Chain of Being can lead people to misunderstand evolution and humanity’s place in the web of life.

At least one of Earth's creatures is able to survive the vacuum of space.

He lived with a tribe of hunter-gatherers to witness how an ancient culture survives one of the most brutal climates on Earth. His learnings may surprise you.

Quelle horreur! Paris isn't just a 15-minute city; it's a five-minute city.

Letting nature's expert engineers lead the way.

The world’s great whales aren’t just vulnerable where they congregate, but everywhere they roam.

New research suggests they may be in the connections between your brain cells.