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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 what you might think - the study of some grasses might unlock some important understanding to many areas of science including treatments for cancer. Dr.Biology talk with Stan Feath, professor in the School of Life Sciences at Arizona State University and learns what secrets…
Beyond viral cat videos and the millions of cute pictures of our feline friends found on various social media channels, these four-legged animals might help us to better understand science. At least my guest thinks they can give us some insights into the world of bile acids, digestion, cholesterol…

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

You may have heard that the instructions for life are within your DNA and the DNA of any living thing. But how does DNA relate to a genome?

Space travel and microscopic organisms. What interest are these two things to ASU School of Life Sciences Professor and Biodesign Institute researcher Cheryl Nickerson? Tune in to find out.

If you spend some time hiking around the American Southwest, you might be lucky enough to spot a Gila monster. But you probably won't see one climbing a tree.

Have you looked at DNA? Really, you can see DNA if you follow along with biologist Melissa Wilson. This kitchen and classroom experiment is perfect for budding biologists.

Extreme environments can be found on Earth, in space, and in the depths of the ocean. Dr. Biology and physiologist, astronaut, and mountain climber Scott Parazynski sit down and talk about what life is like to explore these environments. So hold on to your seat as we blast off…

Different tools that biologists use

Whats a biologist?

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

some puzzle pieces with pollen cells

Pollen

Read Pollen - Nature's Tiny Clues and then take this quiz to test your knowledge!

Why do we have seasons?

Seasoned to the Tilt

Have you ever thought about your favorite season, and why it looks and feels the way it does? This activity will help you see and understand why Earth has seasons, and the two things that…

Plankton Zoom Gallery (Plankton up-close)

Plankton 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.

Ant Gallery (Get up-close to ants)

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

Feather Zoom Gallery (Feathers up-close)

There is nothing like seeing a feather up close.

Itty Bitty Beasts

Itty Bitty Beasts

Tardigrades are some of the toughest animals on earth. They can survive freezing, drying up, radiation, and space, all while being smaller than the tip of a pencil.

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Monarch butterfly

Metamorphosis – Nature’s Ultimate Transformer

Transforming robots are favorites of television and movies, but nature has some of the best transformers. Animals that can change in ways that almost seem unbelievable. Also in:…

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crystallography

Making Life Crystal Clear

Much like a mechanical watch, living things only work when all the gears work together. Some of the tiniest of gears are proteins. Learning about the shape and size of these proteins is the job…

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Darwin and Mendel's Afternoon Tea

Darwin and Mendel's Afternoon Tea

An imaginary conversation between two great thinkers, Charles Darwin and Gregor Mendel. While the monk, Mendel, had read Darwin’s publications - Mendel's work only came to be known later. We…

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