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

Battling bacteria can be tough, as they can evolve quickly and resist many of our treatments. But Shelley Haydel is working on new ways to fight bad bacteria.

Play the Venom! Game

The shape of a molecule is very important. It’s what makes it possible for proteins to interact with other parts of the cell. In this invader game, you will defend the cells of the body against molecules of scorpion venom using antivenom.

To learn more, visit our story, Venom!

Germs are tiny organisms that can make you feel sick and cause disease. During this activity you will illustrate the steps germs take during transmission. You will learn about the different types of bacteria, how they are spread, and discuss ways to keep from getting sick.

A dangerous fungus arrived in North America from Eurasia that has been killing millions of bats. Is it possible that bacteria that are already on the bats' skin are their best allies in fighting this fungus?