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 largest biome on Earth is also one of the least explored. Come take a look in the mysterious ocean, a watery world that is home to organisms of all kinds.Also in: Français | 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.
The Arctic is changing faster than many other ecosystems. This habitat is in danger, as are the animals that live there, and the peoples whose lives have always depended on the lands and food webs of the Arctic. One of the best ways to help save it is to learn more about it.
You might think that people can be born only as either males or females. In fact, lots of people are born with a blend of male and female traits. We call this being “intersex,” and it happens more often than you may think.

Step-by-step tutorial for building your own Pocket Seed Viewer. You can use it to test the effects of light, dark, temperature and gravity on seed germination and plant growth.

Imagine a world where animals have the capacity to show their natural behaviors and even engineer their own environments. For this episode, we're thrilled to have Danielle Wong, the Behavioral Enrichment and Animal Welfare Coordinator at the…

An interview with microbiologist Shelley Haydel from the School of Life Sciences and the Biodesign Institute at Arizona State University by co-host Marissa Henderson. This episode gives you something to think about when it comes to mud and why we say science is…

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…

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…

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…

Some bacteria and antibiotics

Antibiotics vs Bacteria

Read Antibiotics vs Bacteria: An Evolutionary Battle and then take this quiz to test your knowledge!

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…

Keys to the Ocean Taxonomy Game

Keys to the Ocean Game

Play the Keys to the Ocean Game

Our world is full of different plants, animals, bacteria, and other life. But how do we know which species is…

hand bones

Busy Bones

Explore the Bone Anatomy Viewer

Ever wonder what’s inside your bones? Here’s your chance to find out! Dissect a virtual bone and learn…

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…