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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.
Our biological sex is mainly controlled by our sex chromosomes. But sex hormones also influence what body parts and characteristics we have.
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.
Temperature is important to all organisms, including you. Professor Angilletta studies the thermal biology of animals, which means that he investigates how different temperatures affect them.
Whether in the sands of the desert or the ice of Antarctica, viruses play a larger role in our ecosystems than you might realize. Arvind Varsani searches for these viruses, studying them in all kinds of habitats across the globe.
During a plague year, locusts can swarm over 20 percent of the world’s landmass, affecting one out of every 10 people on the planet. Sounds bad – right? Enter biologist Arianne Cease who has been studying why these insects swarm and how to control them. Dr. Biology learns about…
Dr. Biology gets the skinny on our largest organ - our skin. Professor and author Nina Jablonski talks about the important ways our skin works for us each day.
Dr. Biology learns how birds might have developed their ability to fly from ornithologist Ken Dial. The two talk about the evolution of bird flight and some of the other cool things birds can do - like are penguins really flying birds?
Biologist Bruce Hammock talks about life as a biologist, being a businessman and mountain climbing. How do these all fit together? Listen in as Dr. Biology learns how these pieces all work together in an interesting career.
Dr. Biology's Virtual Pocket Seed Experiment
Dr. Biology has been busy working on a new experiment and he needs your help. He has collected so much information from the experiment that he needs someone to analyze the data. All the results…
Pollen Gallery (Pollen up-close)
Pollen 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.
Plankton Zoom Gallery (Plankton up-close)
Plankton comes in many shapes and sizes. These are just a few of the thousands of examples.
Face to Face with Ants
Imagine being the size of an ant. Be careful - a face-to-face encounter with an ant would be scary and potentially life-threatening! But, if you avoided being eaten, you could learn a lot about…
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Migrating Monarchs
Thousands of orange and black shapes flutter through the trees. Welcome to one of the few wintering homes of the monarch butterfly. Also in: Español…
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Cloning Ewe
What is cloning and do we have clones living among us today? The answers might surprise you or maybe we should say ewe.
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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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