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

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?

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

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?

Tardigrades are some of the toughest animals on earth. They can survive freezing, drying up, radiation, and space, all while being smaller than the tip of a pencil.