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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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Understanding evolution doesn't just help us figure out how humans evolved...it also helps us understand why we have the health problems we do in today's society. Evolutionary medicine can help us understand our health, why we get sick, and how we can better prevent and treat disease.Also in…

Not all exercise is the same, but all exercise can help you grow strong and keep you healthy. Exercise can also help you with your homework and that science project due at the end of the year.

Does being born a son or a daughter mean your reproductive success might be different? In some societies, it does. 

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…

An interview with biologist Dave Pearson research professor in the School of Life Sciences at Arizona State University and Audubon environmental educator Cathy Wise. Dr. Biology learns from his two guests that bird watching is pretty cool and fun.

What can evolution teach us about getting sick and how do we make use of what we are learning? Dr. Biology gets over a cold while visiting with Randy Nesse, Founding Director of the ASU Center for Evolution & Medicine. The two talk about why we get sick and some of the…

March Madness in the past has been reserved for college basketball. But in 2013, biologist Katie Hinde and a group of scientists, writers, and other creative souls started the ultimate animal competition that expanded beyond humans – March Mammal Madness. Don’t worry, the competition is virtual. No…
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.…

Ugly Bug Contest 2015-2016

Which bug will lead the space travel team?

a cartoon of the rainforest biome

Tropical Rainforest Biome

Read Revealing the Rainforest and then take this quiz to test your knowledge!

Some bees on a honeycomb

Bee Bonanza

Read Bee Bonanza and then take this quiz to test your knowledge!

Plankton Zoom Gallery (Plankton up-close)

Plankton 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.

Ant Gallery (Get up-close to ants)

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

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.

Building Blocks of Life Illustration

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 |…

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Nerve impulse thumbnail

A Nervous Journey

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…

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jigsaw sail boat

Why Are English Sailors Called Limeys?

Imagine you are on a sailing ship in 1747. You left England only a couple of months ago and you felt fine. Now you are so tired you can barely walk. Dr. Lind wants to discover what is causing…

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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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