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

Our oceans are becoming warmer and more acidic. How might these changing conditions put marine food webs in danger?

Many science teachers tell jokes in the classroom, but should they? Scientists found that overall, students like it when their science teachers tell jokes, but girls and boys react differently to certain types of jokes.

Coronaviruses can cause the common cold, or worse infections, like COVID-19. Brenda Hogue studies how these viruses replicate and infect, and uses this information to try to make vaccines and other medicines.

Most of us don’t think of the sewers as an exciting place. But these and other waterways are where Rolf Halden is finding and solving many mysteries.