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

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The desert is a tough place to live – food may be tough to find, rain only comes in certain seasons, and the temperatures can be hard to handle. How does one special lizard, the Gila monster, deal with these difficulties?

They might be colorful. They might be cute to some people. But don’t let that fool you. These bright-colored frogs are poisonous. Dr. Biology talks with biologist Molly Cummings to learn about her work with some frogs that advertise to predators to stay away and other frogs that…

Dr. Biology travels to the Tres Rios wetlands, a place where all types of living things can be found. He talks with local biologists about many of the species and also gets a chance to sit down and talk with Quentin Wheeler who is starting a new Institute that will be exploring…

Humans change the world around us in many ways, cutting down trees, building roads, using resources. But what happens when we try to restore some of the things an area has lost? And should we try to do so?

Building Your Own Ant Farm is a 2-part Ask A Biologist video with Dr. Biology and Rebecca Clark on how to build an ant farm with two recycled CD cases. Watch part two.

Biologist Bruce Hammock talks about life as a biologist, being a businessman and mountain climbing. How do these all fit together? Listen in as Dr. Biology learns how these pieces all work together in an interesting career.

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…

Looking into the past can be strange and exciting. To understand a past that goes back millions of years, we often depend on the stories told by fossils. Dr. Biology talks with anthropologist Donald Johanson about Lucy, a fossil of human ancestors that has taught us some…

a cartoon of a human and some animals showing internal body parts

Animal Physiology

Read Focusing on Physiology and then take this quiz to test your knowledge!

a fig and a wasp

Fig Wasps

Read Life and Death of a Fig Wasp and then take this quiz to test your knowledge!

Brain tumor

Cutting Out Brain Tumors

Try out some of the new techniques that neurosurgeons are using to guide them during surgery.

a feather

Bird Feathers

Read Feather Biology and then take this quiz to test your knowledge!

Monster game

Monster Maker

Play Monster Maker

Build your own monster by decoding the monster genome in Monster Maker, a DNA game. It is not very different from what…

Rainforest virtual biome tour

Virtual Reality Tours of Biology

Explore our Virtual Tours

See the world of biology through virtual tours. Visit different environments, travel through…

Beetle Dissection

Beetle Dissection

Explore the Beetle Dissection

The outside of beetles can be shiny, dull, or extremely colorful. But what is going on inside of beetles…

Cell viewer game

Cell Parts Game

Explore the Cell Viewer Game

Cells are the basic building blocks of life, but what all do cells hold? You can now look inside of cells to learn…