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 Case of the Mystery Images

Looking for another detective assignment? Practice all the new detective skills you learned in the Training Room Escape by solving The Case of the Mystery Images.

To learn more, visit Using the Scientific Method to Solve Mysteries.

Whether in the sands of the desert or the ice of Antarctica, viruses play a larger role in our ecosystems than you might realize. Arvind Varsani searches for these viruses, studying them in all kinds of habitats across the globe.

Scientists thought that flying reptiles known as Pterosaurs were slowly dying off before an asteroid caused a huge die-off on Earth. But new fossils found in Africa tell a different story.

Could differences in the food animals like be enough to eventually separate one species into two? Learn what flies are teaching us about what can cause new species to form.