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

You may see advertisements for vitamins all the time. Do we really need vitamins? And if we do, how do we know which vitamins are high quality? Take a tour into the history, science, and manufacturing of vitamins.

Bonobos and chimpanzees look a lot alike and they use similar gestures or movements to communicate. But do the same gestures always mean the same thing?

Ask A Biologist stands in support of Black Lives and people of color (POC).

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.