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

What is gene editing? And how does the one of the most-used gene editing tools, called CRISPR, work?
Also in: Español

Explore the Cell Viewer Game

Cells are the basic building blocks of life, but what all do cells hold? You can now look inside of cells to learn more about their parts in our Cell Viewer.

To learn more about cells and cell parts, visit Building Blocks of Life for more of the story.

Also in: Suomi

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.

Flowering plants, called angiosperms, are absolutely everywhere (even in Antarctica!). They are some of the most successful living things around. But what made them so successful?