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Welcome to Ask A Biologist. This site has a large collection of biology learning materials that includes stories, games, activities, videos, and a podcast.
The microbes that live inside us affect more about our lives than we might think. Taichi Suzuki is learning how these hitchhikers have been changing alongside humans.
Coral reefs are a brimming with life; they are home to more than 25% of all marine life. Dive into coral reefs to learn about unusual partnerships, threats to coral reefs, and ways scientists are trying to save these important structures and habitats.
Is there any way to prevent pregnancy after sexual intercourse? Learn about Plan B, an emergency contraceptive.
Dr. Biology interviews research scientist Kate Ihle at Barro Colorado Island in Panama. BCI is part of the Smithsonian Tropical Research Institute.
What animal runs so fast that it temporarily goes blind? It turns out that these tiny insects are fast, but don't have enough brain power to keep up with their speed. Learn more about these tiny tigers in this video.
When was the last time you folded a piece of paper to make a fun shape? Maybe you made a paper plane or tried origami to make a swan. Believe it or not, the building blocks inside your body also need to fold into the right shapes to work properly. In this activity, you can build your…
When you visit a pond or the beach, what kinds of living things do you see in the water? Don’t let your eyes fool you… there’s a hidden world in water full of creatures too small to be seen!
Cracking CRISPR
DNA is the key to life, so it's no wonder that we've been working to crack the code. With the tool CRISPR Cas9, we'…
Virtual Reality Tours of Biology
See the world of biology through virtual tours. Visit different environments, travel through…
Monster Maker
Build your own monster by decoding the monster genome in Monster Maker, a DNA game. It is not very different from what…
Beetle Dissection
The outside of beetles can be shiny, dull, or extremely colorful. But what is going on inside of beetles…