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

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.

Every day, as you cook, clean, and eat, you are breaking proteins. Not sure how you're doing it? Join us to learn a few ways you can break proteins at home or in the classroom.

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

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.