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

Play the Bionanoengineering Game.

Basic building patterns can be used to think about how technologies are built at the nano-scale. Try your hand at building specific patterns, or explore how blocks can be used to make many different shapes in this bioengineering game.

To learn more about bioengineering, visit our story Nature's Tiny Machines.

Nicholas Stephanopoulos works with tiny structures so small you can only see them by using powerful microscopes. Some might say he's a builder, but he actually gets the molecules to do the building themselves.

Viruses are everywhere, and most are harmless, but that isn’t the case for the SARS coronavirus. Where did this virus come from?

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.