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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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Even with 'tiger' in their names, life is hard for these fast and often colorful insects. Also in: Deutsch | Español | Français…

Animals are often used to study many different scientific topics. But many scientists and others argue whether it's ok to use animals for this purpose. Here we discuss why scientists use animals and research, and discuss some of the rules and regulations in place to help protect animals used…

Microbes are everywhere, but what are they? We get the inside story from microbiologist Valerie Stout about these tiny life forms including a slimy and gooey material many microbes make called biofilms. In fact, you have a daily encounter with biofilms and bacteria that can…

Your stomach is full of tiny organisms that live in peace and harmony with your body – but what happens when the peace is disrupted?

Dr. Biology sits down to learn from two of the best science journalists in the world. Listen in as he gets some pointers from Pauline Davies and Robyn Williams.
In 1962 there was a popular Broadway musical called A Funny Thing Happened on the Way to the Forum. What does this have to do with a science podcast? The thought came up because of what happened at the conference today. And what was it? It was a dance performance. In fact, there were several…

We hear a lot about DNA, but not as much about RNA. It is true that DNA is the encyclopedia of life or the ultimate instruction manual for living things. But what good is a book if it is not read or an instruction manual that is not used? This is where RNA comes into the story of life. It is the…

Do you need to run five miles every day to get in shape and be healthy? Dr. Biology has a chance to sit down after a workout session to talk about exercise and kids with metabolic biologist Gabriel Shaibi. What he and a group of researchers found might surprise you.
Nano building game

Nano Building

Play the Bionanoengineering Game. Basic building patterns can be used to think about how technologies are built at the nano-scale. Try your hand at…
Some fruits and food

What's GMO?

Read What's a GMO? and then take this quiz to test your knowledge!

Hummingbird cartoon

Hummingbird Lunch

These daredevil birds can be perfect subjects for a backyard experiment.

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.

Feather Zoom Gallery (Feathers up-close)

There is nothing like seeing a feather up close.

Pollen Gallery (Pollen up-close)

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

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.

Tree lizard puzzle

Mighty Morphing Tree Lizards

Biologists at Arizona State University hope that by learning more about animal behavior, they will also be able to understand why people act the way they do. Also in:…

Wordsearch | Crossword
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…

Wordsearch | Crossword
Half human, half animal eye

Seeing Color

Did you ever wonder why you see the colors you do or if other animals see the same colors that you see? We see light that bounces off of things around us. When the light enters our eyes,…

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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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