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 the Skeleton Viewer

To explore the bones of the human skeleton, check out our Skeleton Viewer. Take a look further inside of a bone with our Bone Anatomy Viewer.

To learn more about bones, visit Busy Bones.

Click if you need the old Flash version of the Skeleton Viewer.

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.

Humans change the world around us in many ways, cutting down trees, building roads, using resources. But what happens when we try to restore some of the things an area has lost? And should we try to do so?

Fatty foods may be delicious but if we eat too much, the white blood cells in our guts can be destroyed. Learn more about the disease this can cause called “leaky gut”.