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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.
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.
The colorful wings of butterflies and moths aren't just part of a beauty contest. Learn how these changes in coloration have allowed species like the peppered moth to survive in an ever-changing environment.Also in: Deutsch | …
Understanding evolution doesn't just help us figure out how humans evolved...it also helps us understand why we have the health problems we do in today's society. Evolutionary medicine can help us understand our health, why we get sick, and how we can better prevent and treat disease.Also in…
Almost all life forms start out as small cells, but how do they grow into entire animals? Read about the first step here: when cells in an embryo form germ layers that give rise to every organ and tissue in the body.
It is surprising how much of the land on Earth is what scientists call drylands. You might think that these areas are not crucial to life on the planet, but in fact, they are. They are also some of the most challenging places to do research. Part of the challenge is what we see above ground is only…
Love them or hate them, something is going on with male crickets on the island of Kauai. Once evenings filled with a chorus of these tiny singers has become strangely silent. Dr. Biology talks with biologist Marlene Zuk about how things are changing fast – maybe the fastest…
Diving deep into the ocean is likely the most extreme place someone can set out to collect data, but sometimes that is what scientists need to do. In this show, Dr. Biology finds himself on board the research ship Atlantis in the floating laboratory of Colleen Hansel who is teaming…
This animal lives in almost every part of the world and kills hundreds of thousands of people each year. What might surprise you is that you certainly have had a close encounter with the world’s most dangerous creature. Dr. Biology catches up with evolutionary biologist …
Fly Trapping Trials
Ever notice tiny flies buzzing around your houseplants? In this experiment, you’ll test different liquid traps to see which one catches the most fungus gnats. Will vinegar, lemon juice, or something…
Busy Bones
Explore the Bone Anatomy Viewer
Ever wonder what’s inside your bones? Here’s your chance to find out! Dissect a virtual bone and learn…
Give It A Shot
As our lives become more affected by viruses and bacteria that cause disease, how much does wearing masks and…
Genetics Game
Our genes control much of how we look and who we are. But do you really know how genetics work? Take a moment to gather some…
Using the Scientific Method: The Case of the Mystery Images
Play The Case of the Mystery Images
Looking for another detective assignment? Practice all the new detective skills you learned in the…