Welcome to Ask A Biologist. This site has a large collection of biology learning materials that includes stories, games, activities, videos, and a podcast.

Explore our Virtual Tours.

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

Recently, scientists have tried to break into the secret world of microglia (the brain’s immune cells). They are trying to figure out how these cells can shape-shift into weird and wonderful formations.

We usually worry about getting sick from other people or from spoiled food. But did you know that some animals, like rats and mongooses, can make you sick too?

Scientists thought that flying reptiles known as Pterosaurs were slowly dying off before an asteroid caused a huge die-off on Earth. But new fossils found in Africa tell a different story.