Read our stories
Listen and watch
Enjoy our activities
View zoom galleries
Solve puzzles
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
Embark on a journey through the buzzing world of grasshoppers and locusts with Dr. Biology. In this episode, biologists Rick Overson and Mira Word Ries, from the Global Locust Initiative at Arizona State University dig into the world of these insects. The…
How do animals keep warm when the temperatures drop? It is not like they can turn on heater or bundle up in a layers of warm clothes like humans do. Before you watch this video, try to think of ways animals might keep warm.
Dr. Biology sits down to learn from two of the best science journalists in the world. Listen in as he gets some pointers from Pauline Davies and Robyn Williams.
No, this episode is not about the rock band or the cute German car that people love. This show is about some curious insects that have very different relationships with ants. To be exact, this is about three species of beetles that either battle ants, live close by an ant colony, or in one case…
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…
An interview with biologist Kevin McGraw. Dr. Biology and his co-host Brian Varela learn a lot about feathers and all the ways birds used them. This is a colorful and wild show that you will not want to miss.
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…
Ugly Bug Contest 2009
The Ugly Bug Contest has been part of the Flagstaff Festival of Science and Mt. Campus Science Day since 1997. Ask-a-Biologist is pleased to extend the contest to the world via the Web.
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 more…
Bone Zoom Gallery (Up-close Inside Bones)
Take a look at the microscopic world of bone in our virtual bone histology lab. Just pick a microscope slide from below and click on it to view under the virtual microscope.
Tiger Beetle Zoom Gallery (Up-close with tiger beetles)
Some of the fastest animals on Earth are below. That’s right, if these tiny insects were as large as a horse they would be running 200 miles an hour.
Pollen Gallery (Pollen up-close)
Pollen comes in many shapes and sizes. These are just a few of the thousands of examples.
Building Blocks of Life
All living beings are made up of cells. Some of them are made up of only one cell and others have many cells. Also in: Español |…
Wordsearch | Crossword
Ant Farm
Farming ants might sound like a crazy thing to do unless you might like to eat chocolate covered ants. It turns out we can learn a lot from ants and the best way is to build your own ant farm.…
Wordsearch | Crossword
Birds and Their Songs
We see them practically everywhere. They are found flying in the high mountains and soaring along the thermal winds in the low deserts. There are those that are reclusive and others you can…
Wordsearch | Crossword
Pollen - Nature's Tiny Clues
Most might be surprised that pollen is being used to catch thieves, illegal drug dealers, murders, terrorists, and even catching those who commit less visible crimes such as making and selling…
Wordsearch | Crossword