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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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Most of us don’t think of the sewers as an exciting place. But these and other waterways are where Rolf Halden is finding and solving many mysteries.
Alzheimer’s disease makes it difficult to remember many things – like where you live, the names and faces of family members, and even your own name. ASU professor Diego Mastroeni’s job is to study Alzheimer’s disease, and to hopefully find a way to cure it.

Colors are not just for humans. In fact, Mother Nature has been playing with color and love for very long time. What are these colors of love? Are they all the brightest and boldest colors, or is there more to the story?

Where might we find life, and what should we even be looking for to see if life exists on other planets?. Sara Walker is going where others have not gone before in the search for life.

Congratulations to Seed Beetle, the 2011 Ugly Bug contest winner.

What is life and how do biologists decide if something is living or non-living? Dr. Biology visits with physicist Paul Davies and microbiologist Ferran Garcia-Pichel. They talk about life, extreme life forms (extremophiles), and the possibility of life on other…

What would life be like on other planets? This is just one of many questions that Biochemist and author Nick Lane talks about while visiting with Dr. Biology. Listen in as Nick explores not only life on our Earth, but also what it might be like on other planets. Nick also reads…

If you could travel back in time what would you find 50 million years ago? What was the climate like? Would you find the same plants? What animals were crawling, walking, and flying around? Paleoentomologist Bruce Archibald takes Dr. Biology back in time to explore the planet…

Monster game

Monster Maker

Play Monster MakerBuild your own monster by decoding the monster genome in Monster Maker, a DNA game. It is not very different from what happens in every…
Cartoon of two scientists one male and one female.

Doctor Know

Play Doctor KnowPlay doctor in the 21st century! Practice modern medicine by examining all dimensions of the body, from organs to molecules, as an…

Plankton Zoom Gallery (Plankton up-close)

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

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.

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.

Peas

Solving a Genetic Mystery

The life and work of Gregor Mendel has some surprising pieces. Known as the father of genetics, his work was mostly unnoticed for 30 years after he published his famous paper. It is also…

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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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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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Digger Bees

Desert Diggers

The digger bee is just one of about a thousand species of native bees in Arizona, many of which have females that burrow into the ground with their jaws and legs when constructing a nest.

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