BIOLOGY

Proof that it only takes a second for alcohol to totally mess with your body.

Tropical slipper limpets are pretty unremarkable—until it's mating time. Then things get interesting.

The fecal samples taken from hibernating bears were less diverse than those of their counterparts.

Getting rid of excess heat is complicated when your body is covered in insulating feathers. Here's how hummingbirds do it.

One of the things that makes people so special is that we’re all different. Each person you meet has their own special talents, their own favorite food, and a different face looking back at them in the mirror.

The aptly named shark is cloaked in black from head to tail and emits a faint blue glow.

In this episode of 'Big Questions,' Craig answers a pressing question from one of our YouTube fans.

Compared to other primates, humans have shorter and deeper periods of sleep.

A new study shows that ant colonies act like “a single organism would in response to attacks on different parts of its body.”

Off the east coast of Australia, some fish are doing something funny.

Short answer: Your internal clock doesn’t care what day it is.