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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.

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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
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…
Ants doing math? Could this be possible? Stephen Prattt from the ASU School of Life Science gives Dr. Biology a lesson about ant problem solving.
Growing cells outside our bodies in tiny plastic dishes might seem a bit complex. But scientists have been doing this for many years now. It has opened our eyes to the bustling life inside our tiny cells and has led to some life-saving technologies.

Have you ever wondered how complex science jargon is translated into a story that captivates and educates? We've got you covered! Dr. Biology chats with James Gorman, a veteran science reporter from the New York Times, we peel back the layers…

Even though we live in a modern world how we act and what we do many times is controlled by our Stone Age brain. This impacts our diet, friendships, love and more. Dr. Biology sits down with authors Doug Kenrick and David Lundberg-Kenrick to get the inside story…

Bee Movies are not just for Hollywood. Dr. Biology catches up with bee movie maker and neurobiologist Brian Smith who uses film and video to unlock the mystery behind bees and how they sense and communicate with the environment. This movie director may not bee up for an Academy…

What is life and how do biologists decide if something is living or non-living? Dr. Biology visits with physicist Paul Davies and microbiologist Ferran Garcia-Pichel. They talk about life, extreme life forms (extremophiles), and the possibility of life on other…

Mama Ji and DNA

Mama Ji's Molecular Kitchen

There are lots of sites out there full of molecular techniques and protocols, but very little information (either online or in readable hardcopy form) that explain how and why these techniques…

a feather

Bird Feathers

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

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.

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.

Feather Zoom Gallery (Feathers up-close)

There is nothing like seeing a feather up close.

Plankton Zoom Gallery (Plankton up-close)

Plankton comes in many shapes and sizes. These are just a few of the thousands of examples.

Ant Gallery (Get up-close to ants)

Now is the time to check out these amazing animals from the safety of your own computer.

Two ants carrying a puzzle piece

Ants

There are so many types of ants that it's funny the animated movie about them centers on one type that doesn't exist: a male worker ant. In this story you can explore some of the types of ants…

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Saguaro

Sonoran CSI

Little water, sweaty, hot summer days and frigid winter nights make the desert an uninviting place for most animals and plants. But hiding just below the surface, the desert is alive with…

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Astronaut

Spaced Out Physiology

Being an astronaut is a cool job, but before you sign up you should know life in space isn’t all fun and games.  The lack of gravity can make our bodies act in strange ways.

Also in…

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Two-headed kingsnake

The Tale of the Two-Headed Lampropeltis getula californiae

A Common Kingsnake, Lampropeltis getula californiae, but this snake was anything but common. From the title of our story, you may have guessed that our snake, or maybe we should call it snakes…

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