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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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Travel with Dr. Biology as he heads to Washington D.C. to interview three people who are all involved with science even though two of them are not scientists. Interviews include Cheryl Zook (independent film maker), Elizabeth Pennisi (science writer), and…

One of the benefits of being a biologist can be travel. There are some researchers who travel the globe as part of their work. Arvind Varsani is a molecular virologist who studies viruses found around the world. Dr. Biology was able to catch Arvind between trips to talk about his…

There is more to our memory than you might think. In fact, we have three types of memory. Just how these memory systems work, and work together is the subject of this episode. We also learn that there are sometimes errors in our memory. Take a few minutes to learn how we remember things and even…

Our biological sex is mainly controlled by our sex chromosomes. But sex hormones also influence what body parts and characteristics we have.

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…

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…

What could possibly be the difference between a cup of dirt and a cup of soil? Dr. Biology talks with microbiologist Ferran Garcia-Pichel about why he avoids the dirty word and prefers to say soil. Could it be there is more in a cup of dirt - excuse me a cup of soil than meets…

It's a colorful world out there and Dr. Biology checks into the reason we see color and how animals use color. Listen in as Dr. Biology talks with Kevin McGraw animal behavior biologist in the School of Life Sciences at Arizona State University.

Bee Learning Lab

Visit the Bee Learning Lab Take a trip with us today into the Bee Learning Lab. Train bees in your very own experiment and see how you can make them learn faster or…
Some bacteria and antibiotics

Antibiotics vs Bacteria

Read Antibiotics vs Bacteria: An Evolutionary Battle and then take this quiz to test your knowledge!

A table with three cups surrounded by plants and flies.

Fly Trapping Trials

Ever notice tiny flies buzzing around your houseplants? In this experiment, you’ll test different liquid traps to see which one catches the most fungus gnats. Will vinegar, lemon juice, or something…

Pollen Gallery (Pollen up-close)

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

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.

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.

Sea Urchin

Sea Urchins Do Research

No, urchins are not indigenous to the desert. The usual home for Strongylocentrotus purpuratus is the ocean's rocky floor for grazing along the intertidal and subtidal areas. Also in:…

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Scorpion with laser beams

Not So Scary Scorpions

Scorpions are often misunderstood. Many people say that scorpions are so aggressive they will sting themselves to death, but this is not a natural behavior of scorpions in the wild. 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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internet puzzle

How to Find What You Need on the Internet

Searching for things on the Internet can be like hunting for a needle in a large haystack. Just how large is the Internet?

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