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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.
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…
Most of us wish we could predict the future. We want to know everything from who will win the big football game to whether or not our favorite superhero will defeat the super villain. Biologists want to know the future too.
Mosquitoes are more than just a bother - in many cases, they can be dangerous. Arm yourself against mosquitoes with knowledge of their life cycle, the diseases they carry, and how you can fight them. Also in: Español | …
Dr. Biology takes trip to visit Michael Berens, adjunct professor in the School of Life Sciences at Arizona State University and Senior Investigator at Translational Genomics Institute (TGen).
Cooperation is something that humans and animals are known to do. It turns out that the 30 trillion cells in our body also need to cooperate. Like some humans, there are cells that are cheaters when it comes to cooperation. They do not do their share of the work and cause a lot of other problems.…
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…
If you spend some time hiking around the American Southwest, you might be lucky enough to spot a Gila monster. But you probably won't see one climbing a tree.
Scientific Method
Read Using the Scientific Method to Solve Mysteries and then take this quiz to test your knowledge!
Ant Gallery (Get up-close to ants)
Now is the time to check out these amazing animals from the safety of your own computer.
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.
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.
Crazy Climate and Wacky Weather
Climate is a hot topic in the news and on internet websites and blogs. But what exactly is climate? And how do we know it is changing?Also in: …
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I Spy an Ecosystem
We hear the word ecosystems in the news and at school but just what are ecosystems? It turns out there are lots of ecosystems. You might even learn you have some inside you! Also in:…
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Mite Mighty Foe to 'Killer' Bees in State
Africanized "killer" bees have fallen prey to a deadly predator of their own- parasitic mites whose infestation has dropped their wild colony numbers by as much as 70 percent statewide.
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Making the List
By the time the first endangered species list was made, many species had already gone extinct. Some species, like whooping cranes, were almost extinct at that time. But the US…
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