Octopus Swimming In Sea

Why Would Scientists Give an Octopus Ecstasy?

In a perplexing recent study, researchers dosed octopuses. Turns out, scientists have long studied the similarities between cephalopod and human brains.
cerebrospinal fluid

What is Cerebrospinal Fluid?

A patient was convinced that her runny nose indicated a deeper problem. She was right. Her case brought cerebrospinal fluid into the national spotlight.
Bioluminescent ocean

The Glowing Mystery of Bioluminescence

Bioluminescence, an animal's ability to create and use light, exists exclusively in the lower branches of the tree of life.
Coast in Greenland

Do Fossils Always Tell the Truth?

New findings indicate life on earth is older than we thought.
Black Hole illustration

What’s On the Other Side of a Black Hole?

What would happen if you entered a black hole?