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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Doctors place Intrauterine Devices (IUD) in the bodies of some females to help prevent pregnancy. Learn about how these devices work and how long they’ve been around.
Could a virus that is deadly in rabbits be used to treat cancer in people? That is exactly what Arizona State University researcher Grant McFadden is trying to figure out.

What could possibly be the difference between a cup of dirt and a cup of soil? Dr. Biology talks with microbiologist Ferran Garcia-Pichel about why he avoids the dirty word and prefers to say soil. Could it be there is more in a cup of dirt - excuse me a cup of soil than meets…

Did you ever wonder why you see the colors you do or if other animals see the same colors that you see? We see light that bounces off of things around us. When the light enters our eyes, special cells tell our brains about the light. Also in: Français…

Three inquisitive young co-hosts, Stephanie Galindo, Anthony Delgado and Raenesha Willis visit with biologist and microscopist Page Baluch. Together with Dr. Biology they explore the tiny world of inner space and learn that…

What would life be like on other planets? This is just one of many questions that Biochemist and author Nick Lane talks about while visiting with Dr. Biology. Listen in as Nick explores not only life on our Earth, but also what it might be like on other planets. Nick also reads…

An interview with biologist Doug Lake from the Arizona State University School of Life Sciences. Dr. Biology and his co-host Ramon Santos find out how something as simple as a paper cut can put our body defense to work.

2016 Ugly Bug video

some ants carrying puzzle pieces with food on them

Ants

Read Ants and then take this quiz to test your knowledge!

Drops of water

Heavy Water

This activity explores how the temperature of water affects its density. You will need to gather the following materials: a pencil; a small paper cup; a small-mouthed, clear-glass jar (the cup…

Dr biology looking at some ants

Collecting Ants

Read Collecting Ants and then take this quiz to test your knowledge!

a feather

Bird Feathers

Read Feather Biology and then take this quiz to test your knowledge!

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…

Comparative physiology game

Frankenstein's Lab

Play Frankenstein's Lab

Dr. Frankenstein needs your help to learn about how the bodies of different animals work! Build your own creature from 3…

Ecochains splash screen with polar bear icon.

EcoChains

Play EcoChains

EcoChains is a game that introduces you to arctic life and ice that is so very important for survival. This is a fun way to learn about the food web…

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…