When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Watch this coral wave its hands in the air like it just don’t care! But actually, it probably ...

Reef-building coral may feed more efficiently by using tiny hair-like structures to generate food-carrying conveyer belts in the water running across their surface. Corals that form reefs consist of ...

A piece of coral is made of the skeletons of tiny marine animals called polyps. The cup-shaped polyp's skeleton grows outside its body to protect and support it. The calcium carbonate in seawater ...

Although corals look like a plant, they are actually animals, made up of thousands of individual polyps living together in a colony. Because of their small size, scientific observation of them has ...