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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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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.

Embark on a journey through the intricate dance of nature and innovation as we welcome Saad Bhamla, a scientist at the forefront of biological engineering. Your curiosity will be rewarded as you and Dr. Biology learn about some of the…

Let’s take a ride. It is going to be a fast one, so be prepared. Where are we going? We are going to start at your head and end up at your toes. It may not seem like a long trip, but it is going to be fast. It may be the shortest and fastest trip of your life. Are you ready? Let’s begin.Also…

The colorful wings of butterflies and moths aren't just part of a beauty contest.  Learn how these changes in coloration have allowed species like the peppered moth to survive in an ever-changing environment.Also in: Deutsch |

Welcome to an exciting journey that takes you through the wild and fascinating world of zoos. Our guest for this episode is none other than Bert Castro, the President and Chief Exective Officer of the Arizona Center for Nature Conservation.…

Love them or hate them, something is going on with male crickets on the island of Kauai. Once evenings filled with a chorus of these tiny singers has become strangely silent. Dr. Biology talks with biologist Marlene Zuk about how things are changing fast – maybe the fastest…

Could fire be important for life on Earth? Would Earth be the same without fire? These are just a few of the many questions we have for fire researcher Stephen Pyne about fire and its role with life. Did we also mention his battle with a dragon? If you have a burning desire to…

This is the story of wild rabbits, humans, and a virus that might lead to a treatment for cancer. It is also a lesson about learning from history and how a virus that is deadly to some rabbits could become a new cancer-fighting tool for humans. Twice humans moved wild rabbits from Europe to other…

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.

Plankton Zoom Gallery (Plankton up-close)

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

Pollen Gallery (Pollen up-close)

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

Feather Zoom Gallery (Feathers up-close)

There is nothing like seeing a feather up close.

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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Leafhopper

True Bugs

Not all insects are bugs, but all bugs are insects. How can this be? Learn about some particular insects that biologists call true bugs. Also in: Español…

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Mouse and snail taxonomy

Linnaeus and the World of Taxonomy

Have you ever wondered how animals and plants get their names? People give them names, lots of different names! That was how it used to be before Carl Linnaeus created the world of taxonomy.…

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Big Bad Beetles

A story of blood, love, and family… Learn about one of the biggest and fanciest blister beetles anywhere. This species goes by the scientific name of Lytta magister but has also been called the…

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