BIOLOGY

Here are the top 2017 winners of Nikon’s annual Small World in Motion digital video competition.

It's the second "city" of gloomy octopuses (octopus tetricus) discovered in the area. Maybe they're not so gloomy after all.

It’s not just fear or worry.

It's hard to pick a favorite from these off-the-wall studies exploring topics like whether cats can be both solid and liquid, the physics of walking backwards with coffee, and the brain activity of people who are grossed out by cheese.

Unable to run away, plants have developed some vicious defense mechanisms.

Alfred Kinsey forever changed the way we think, and talk, about sex—partly by asking more than 18,000 men and women deeply personal questions about their most intimate habits.

Though you might not often think about them, lymph nodes are crucial for your immune system.

At its largest point, the sciatic nerve is about as big around as a man's thumb—plenty big enough to be an important part of the nervous system.

Rising to the top of the pecking order is impossible for them.

Did you know opposable thumbs may have played a role in the development of language?

One hundred European starlings released in Central Park in 1890 have turned into 200 million across the U.S. today. Now scientists are looking into their genetic diversity.

Without this crucial joint, many daily activities would be impossible.