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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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Not everyone has been on a hike and very few have hiked with a park ranger. Dr. Biology hikes South Mountain Park with not one but two park rangers. Park Rangers Liz Smith and Justin Olson are our guides for the 2.5 mile trip up Holbert Trail. This episode…

There is an endless march going on in the rainforest, as tiny farmers collect food to bring back to their fungus. Join us in the rainforests of Panama as we take a closer look at the life of the leafcutter ant.
Humans use smell more than you might think. It helps us find food and tell if it is edible, helps us avoid some dangerous situations, and even helps us taste. This story explores how smell works.Also in: Español | Français

Remember your last paper cut, or the bad cold that had you coughing and blowing your nose? It was your immune system that was busy trying to make you better by battling the bacteria or virus that was attacking your body. How your immune system works is the discussion Dr. Biology has with…

An interview with biologist Pierre Deviche and his passion for recording some of natures most interesting animals. Humans are not the only animals that have dialects as you will learn in this show. Dr Biology tests your skills again with a mystery animal quiz at the beginning of…

When was the last time you folded a piece of paper to make a fun shape? Maybe you made a paper plane or tried origami to make a swan. Believe it or not, the building blocks inside your body also need to fold into the right shapes to work properly. In this activity, you can build your…

It's tiny versus the mighty and a battle for an acacia tree. Dr. Biology catches up with Beth Pringle a biologist exploring the savanna of Kenya. The two talk about two animals that seem mismatched for battle that has a surprise ending. Beth is also the biologist who took us along…

If you had x-ray vision, where would you look first? Some of our biologists have looked inside of beetles to learn more about how they breathe and fly.

Microbes cartoon

Microbes

Microbes: The Good, the Bad, The Ugly takes you on comic book journey inside the human body where there are both good and bad bacteria and viruses.

scorpion game

Venom!

Play the Venom! GameThe shape of a molecule is very important. It’s what makes it possible for proteins to interact with other parts of the cell. In this…

Pollen Gallery (Pollen up-close)

Pollen 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.

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.

Plankton Zoom Gallery (Plankton up-close)

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

Birds and their Songs

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…

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Endangered animal list

Making the List

By the time the first endangered species list was made, many species had already gone extinct.  Some species, like whooping cranes, were almost extinct at that time.  But the US…

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Two green salamanders

He Ain't Tasty He's My Brother

While cannibalism is fairly common among insects and crustaceans, most backboned animals avoid feeding on their own kind.

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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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