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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.
When you think of the Arctic, you might picture mostly empty ice. But the Arctic ecosystem is home to many organisms, from microscopic bacteria to large animals like whales and polar bears. Much of this life in the Arctic depends on tiny organisms called plankton which make up the base of the…
Going where no one has gone before sounds exciting, but are we ready to go to Mars? Traveling long distances, and living on another planet is going to be a challenge. You could say an extreme challenge because of the conditions in which we will have to live. Dr. Biology learns a bit about the…
Did you ever wonder why you see the colors you do or if other animals see the same colors that you see? We see light that bounces off of things around us. When the light enters our eyes, special cells tell our brains about the light. Also in: Français…
Pregnancy isn’t perfect, and many things can go wrong. What happens when a growing embryo is in the wrong part of the pregnant person's body?
Could these shy cats be living in Southern Arizona? Dr. Biology learns about these amazing animals from wildlife biologist Emil McCain. The two talk about the Borderlands Jaguar Detection Project and how two long-time hunters became the biggest fans and supporters for Jaguar…
Here's the 2012 crop of Ugly Bug candidates. You can help elect the insect that will be the winner and perhaps the next 00 secret agent. Who knows - James Bond might need a few extra hands or legs - like maybe 6.…
Part of what makes science fun and challenging is solving puzzles and investigating mysteries. For this episode, Dr. Biology sits down with ecologist Charles Brown and the two talk about his 40-year journey of discovery and rediscovery. This is a curious story that involves an…
Viral Attack
Viral Attack is the story of the human immune system and how it protects the body from attacks from harmful bacteria and viruses.
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.
Pollen Gallery (Pollen up-close)
Pollen comes in many shapes and sizes. These are just a few of the thousands of examples.
Desert Fruits Rock!
Desert flowers do not own the spot light when it comes to beauty. Many desert fruits deserve equal attention.Also in: Español |…
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Pollen - Nature's Tiny Clues
Most might be surprised that pollen is being used to catch thieves, illegal drug dealers, murders, terrorists, and even catching those who commit less visible crimes such as making and selling…
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Ants
There are so many types of ants that it's funny the animated movie about them centers on one type that doesn't exist: a male worker ant. In this story you can explore some of the types of ants…
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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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