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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.
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.
To a new visitor, the savanna may look just like a grassland with a few trees. But if you spend some time in the savanna, you learn it is quite different from other biomes.
Space travel and microscopic organisms. What interest are these two things to ASU School of Life Sciences Professor and Biodesign Institute researcher Cheryl Nickerson? Tune in to find out.
An interview with limnologist James Elser from the School of Life Sciences. Listen in as Dr. Biology and co-host Michael Saxon learn about a biologist that studies life in and around fresh water, or you might think of him as the other marine biologist.
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.
What happens when our brain fails us? As Dr. Biology, my work has never been involved with diseases that affect the mind, but I do have a personal experience with the shadowy realm of Alzheimer's and other dementias. My mother battled against this relentless adversary and I am not alone. …
The evening news, your local paper, online websites, blogs, twitter, Facebook, and yes podcasts all are communicating the latest science news. In this mix of messages are often conflicting stories about what is good and bad for you. It also seems that every other day there is a cure for cancer or…
Looking into the past can be strange and exciting. To understand a past that goes back millions of years, we often depend on the stories told by fossils. Dr. Biology talks with anthropologist Donald Johanson about Lucy, a fossil of human ancestors that has taught us some…
Seasoned to the Tilt
Have you ever thought about your favorite season, and why it looks and feels the way it does? This activity will help you see and understand why Earth has seasons, and the two things that…
Ugly Bug Contest 2009
The Ugly Bug Contest has been part of the Flagstaff Festival of Science and Mt. Campus Science Day since 1997. Ask-a-Biologist is pleased to extend the contest to the world via the Web.
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.
Plankton Zoom Gallery (Plankton up-close)
Plankton comes in many shapes and sizes. These are just a few of the thousands of examples.
Pollen Gallery (Pollen up-close)
Pollen comes in many shapes and sizes. These are just a few of the thousands of examples.
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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How Do Beetles Reproduce?
Every living thing must be able to reproduce and make offspring. Most of us are familiar with how humans and mammals make babies, but do all creatures reproduce in the same way? Do insects,…
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Feather Biology
Almost everyone has wished at one time or another to be able to fly like a bird. Just the thought of soaring above your city or town without any mechanical device gives us a reason to envy…
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Time Traveling Plants
Every year billions of babies are dried and buried, not to be unburied for weeks, months, years or even decades. Don't worry, these are not babies like your little brother or sister, these are…
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