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Welcome to Ask A Biologist. This site has a large collection of biology learning materials that includes stories, games, activities, videos, and a podcast.
All living things need water. What happens when there is not enough water or no clean water?
The microbes that live inside us affect more about our lives than we might think. Taichi Suzuki is learning how these hitchhikers have been changing alongside humans.
David Pearson is a research professor in Arizona State University's School of Life Sciences. He's a speaker of five languages (and capable of getting into trouble in maybe three or four other languages). He's traveled the world studying tiger beetles and recently published the book, A Field…
Microbes are all around us, and some have the power to hurt or to help. Rosa Krajmalnik-Brown studies the ability of microbes to help, whether deep in our guts or in the environment.Also in: Español
Cooperation is something that humans and animals are known to do. It turns out that the 30 trillion cells in our body also need to cooperate. Like some humans, there are cells that are cheaters when it comes to cooperation. They do not do their share of the work and cause a lot of other problems.…
In this program we talk a lot about cells. In particular plant, animal, and microbial cells. But did you know there is a world of microbes that make their home inside and on our bodies? Before you start to worry, you need to know most of these microbes are important for us to live. In fact, without…
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…
An interview with arachnologist Norman Platnick. Learn about the animal that has become famous through his Marvel Comics and movie action hero.
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…
Cell Size SIM
Certain cell types should have a general size and have proportionate parts. But what if those sizes and proportions are…
Water Treatment Facility Game
Play Water Treatment Facility Game
Build your own water treatment plant by placing the cleaning steps in the correct order! Learn how each…
Conserving Water
How can you save water? You might start by figuring out what uses the most water in your life. In this choice-…
Using the Scientific Method to Solve Mysteries
Play the Training Room Escape Game
Put your detective skills to the test with our escape room! Use the scientific method and your problem…