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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Feeling stressed out? Wonder what stress is or how to best to deal with stress? Then you might like to listen in as Dr. Biology talks with Miles Orchinik, Associate Professor in the School of Life Sciences at Arizona State University, about his work on stress.

Biologists at Arizona State University hope that by learning more about animal behavior, they will also be able to understand why people act the way they do. Also in: Español

Knowing when you are sick and what illness you have is the first step to helping your body fight back. Immunologist Douglas Lake gets to design and build tests that can tell us what virus we have, or how well our body is fighting it.

Everything that is alive is made of cells, but there are really only two main types of cells. Learn how these cell types became different and why they are so important to life.Also in: Español |

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…

Here is something special you can add to your trick-or-treating this year. Find out if there are vampire bats waiting to drink your blood - or if we really have a funny bone in our body? These are just a few of the things Dr. Biology and his guests Rebecca Fisher and

You hear that space is the final frontier, but could we have another frontier right here on Earth? The microscopic world offers a limitless opportunity to explore amazing places and life forms. You just need the right tool for the trip – a microscope. Guests Angela Goodacre and…

Robert Page's journey is as captivating as the creatures he studies. From his early fascination with entomology to his experiences in the Vietnam War and his parallel passion for photography, his journey is a rich tapestry of experiences. We chat about the contributions he…

a cartoon of peas

Genetics and Mendel

Read Solving a Genetic Mystery and then take this quiz to test your knowledge!

An illustration of different cell sizes and a ruler, to measure nuclear cytoplasmic ratios

Cell Size SIM

Play the Cell Size SIM

Certain cell types should have a general size and have proportionate parts. But what if those sizes and proportions are…

a galleon sailing on puzzle pieces

ABC Vitamins

Read Why Are English Sailors Called Limeys? and then take this quiz to test your knowledge!

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…

scorpion game

Venom!

Play the Venom! Game

The shape of a molecule is very important. It’s what makes it possible for proteins to interact with other parts of the cell. In…

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…

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…