Nicholas Stephanopoulos works with tiny structures so small you can only see them by using powerful microscopes. Some might say he's a builder, but he actually gets the molecules to do the building themselves.

Explore the world of biology through virtual tours. Visit different environments, travel through time, take a look inside a bee colony, or observe feeding hummingbirds.

Some organisms, like this fungus, are able to glow, as if they were from an alien planet. But until recently, plants couldn't glow. Learn how scientists have found a way to make plants glow here on Earth.

Learn what makes leafcutter ants unique and understand how the different castes of ant work together to provide for the colony.