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

Have you looked at DNA? Really, you can see DNA if you follow along with biologist Melissa Wilson. This kitchen and classroom experiment is perfect for budding biologists.

You may see advertisements for vitamins all the time. Do we really need vitamins? And if we do, how do we know which vitamins are high quality? Take a tour into the history, science, and manufacturing of vitamins.Also in: Español

McGaughey (pronounced McGoy) is a researcher at Arizona State University who studies reproduction of mammals. He is a consultant at a hospital, where he is part of a team that implants fertilized eggs into the uterus of women who have not been able to conceive a baby by other methods.

An interview with biologist David Pearson, an author and expert on tiger beetles. Did you know that tiger beetles can run so fast that they go blind and just what would it be like to be hunted by these tiny, but ferocious animals? These are a few of the questions that we learn…

Have you ever wondered where plants get their mass? All those leaves and branches have to come from somewhere, but where?

The 2013 Ugly Bug Contest has come to an end and all the clues point to a single suspect.

What happens when our brain fails us? As Dr. Biology, my work has never been involved with diseases that affect the mind, but I do have a personal experience with the shadowy realm of Alzheimer's and other dementias. My mother battled against this relentless adversary and I am not alone. …

Dr. Biology sits down with biologist E. O. Wilson to talk about science, his writing including his book, Superorganism, and future new novel, as well as his art. Along the way they discuss the Encyclopedia of Life web project and a very cool outdoor activity called a "Bioblitz…

a girl looking at some puzzle pieces that have different ecosystems

Ecosystems

Read I Spy an Ecosystem and then take this quiz to test your knowledge!

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…

A snake in an underground burrow.

Desert Survivor

Play Desert Survivor

In this story-based game, you are a young rattlesnake learning to survive in a harsh desert environment. You'll search…

COVID-19 game simulation

COVID SIM Pandemic Simulation

Explore COVID SIM

In the COVID-19 pandemic, how much does wearing masks and distancing matter? How important is it to get vaccinated? You can…

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…

A cartoon illustration of a mosquito biting human skin

Epic Mosquito Quest

Play Epic Mosquito Quest

Mosquitoes go beyond annoying, to being downright dangerous at times. How can you reduce the number of mosquitoes around your home, to…