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

No, urchins are not indigenous to the desert. The usual home for Strongylocentrotus purpuratus is the ocean's rocky floor for grazing along the intertidal and subtidal areas. Also in: Français |…

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…

Let’s take a ride. It is going to be a fast one, so be prepared. Where are we going? We are going to start at your head and end up at your toes. It may not seem like a long trip, but it is going to be fast. It may be the shortest and fastest trip of your life. Are you ready? Let’s begin.Also…

Nicholas Stephanopoulos works with tiny structures so small you can only see them by using powerful microscopes. Some might say he's a builder, but he actually gets the molecules to do the building themselves.
How do animals keep warm when the temperatures drop? It is not like they can turn on heater or bundle up in a layers of warm clothes like humans do. Before you watch this video, try to think of ways animals might keep warm.

Dr. Biology takes a bite into the world of food science with scientist Christy Spackman from the School for the Future of Innovation in Society and the Herberger Institute for Design and the Arts. The two venture into the realms of taste, smell, and texture. There is talk of…

If aliens were to contact us, what would you say? How would you say it? These are just a few of the questions that Dr. Biology talks about with guest Lucy Hawking. The two have fun with these ideas and more as part of the…

Dr. Biology continues his conversation with biologist Ed Wilson. Just what does it take to be a great scientist? What would he do to encourage students to become scientists? These are just a few of the things we learn in this show as well as what Ed Wilson would do or be if he…

a zoomed in cartoon of plankton

Plankton

Read An Invisible Watery World and then take this quiz to test your knowledge!

Body Depot

Body Depot

Body Depot is a collection of activities and materials created in collaboration with with the Arizona Science Center. The Body Depot includes activities on DNA, proteins, bones, immune function…

a person with a lens searching on some internet browsers on the floor

Searching theInternet

Read How to Find What You Need on the Internet and then take this quiz to test your knowledge!

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…

Four potential viruses that can be used in the game

Give It A Shot

Explore Give It A Shot

As our lives become more affected by viruses and bacteria that cause disease, how much does wearing masks and…

Cartoon of two scientists one male and one female.

Doctor Know

Play Doctor Know

Play doctor in the 21st century! Practice modern medicine by examining all dimensions of the body, from organs to molecules, as…

bee dance

Bee Waggle Dance Game

Play the Bee Dance Game

Did you know that honey bee workers tell their sisters where to find the best flowers and nectar with a dance? It is called…