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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.
Lakes, ponds, streams, and rivers are all sources of freshwater. But there is a lot less freshwater on earth than you might think. Fall into freshwater with us to learn some new things about this near-saltless water biome.Also in: Español |…
David Pearson is a research professor in Arizona State University's School of Life Sciences. A speaker of five languages and capable of getting into trouble in maybe three or four other languages, he's traveled the world studying tiger beetles and recently published the book, A Field Guide to…
An interview with biologist Rebecca Clark. Dr. Biology and his co-host Itzany Mendez look into lives of ants and learn some pretty cool things including how to build a slick ant farm using two music CD cases.
We are often taught that germs are bad, but what if exposure to germs or other microorganisms has long-term positive effects? Recent studies show that certain microbes in our environment might actually offer a protective effect against Alzheimer’s Disease.
An interview with arachnologists Eileen Hebets and Lisa Taylor. Two women that defy the convention that women are all afraid of spiders. Listen in as Dr. Biology learns there are no Miss Muffets in this show.
When you visit a pond or the beach, what kinds of living things do you see in the water? Don’t let your eyes fool you… there’s a hidden world in water full of creatures too small to be seen!
In a world where animals, humans, and the environment are forever linked, the health of wildlife is a cornerstone for the well-being of all. In this episode, we embark on an extraordinary journey with Sara Wyckoff, a wildlife veterinarian from the Texas Parks and Wildlife…
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.
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…
Sooty Selection
Discuss ideas of natural selection, play a selection-based game, and take a trip through time to see how scientists of the past figured out just how a trait is passed from a parent to its…
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.
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.
Sonoran CSI
Little water, sweaty, hot summer days and frigid winter nights make the desert an uninviting place for most animals and plants. But hiding just below the surface, the desert is alive with…
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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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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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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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