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

The rainforest is the wettest biome on Earth and is home to half of all species.Also in: Français | Español | Italiano |

All living things need water. What happens when there is not enough water or no clean water?

GMO might sound like a hard-to-understand name. But taking a quick look into the world of genetic modification will hopefully make it all a bit easier to understand.

Imagine you are on a sailing ship in 1747. You left England only a couple of months ago and you felt fine. Now you are so tired you can barely walk. Dr. Lind wants to discover what is causing you so much pain that you can't work.

If you spend some time hiking around the American Southwest, you might be lucky enough to spot a Gila monster. But you probably won't see one climbing a tree.

This is the story of wild rabbits, humans, and a virus that might lead to a treatment for cancer. It is also a lesson about learning from history and how a virus that is deadly to some rabbits could become a new cancer-fighting tool for humans. Twice humans moved wild rabbits from Europe to other…

Part of what makes science fun and challenging is solving puzzles and investigating mysteries. For this episode, Dr. Biology sits down with ecologist Charles Brown and the two talk about his 40-year journey of discovery and rediscovery. This is a curious story that involves an…

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!

Why do we have seasons?

Seasoned to the Tilt

Have you ever thought about your favorite season, and why it looks and feels the way it does? This activity will help you see and understand why Earth has seasons, and the two things that…

Blue the water drop character looking happy and holding an Arizona map.

Myth or Fact - Arizona Water Game

Play Arizona Water Myth or Fact Game

Every state has its own strategies and approaches to make sure people, cities, and the environment gets…

An illustration of DNA-themed award winners

DNA Discovery Awards

Let's take a dive into the history of genetics research... and see who helped build the foundations of knowledge that we still build new understanding on top of today.
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…

EcoChains logo, a polar bear over an iceberg with text below that says EcoChains.

EcoChains: Arctic Futures

Play EcoChains: Arctic Futures

EcoChains: Arctic Futures is a game that introduces you to arctic life and ice that is so very important for survival.…

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…

Human skeleton game

Skeleton Viewer

Explore the Skeleton Viewer

To explore the bones of the human skeleton, check out our Skeleton Viewer. Take a look further inside of a bone…