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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.
Is there any way to prevent pregnancy after sexual intercourse? Learn about Plan B, an emergency contraceptive.
Fascinating and bizarre interactions control the world around us, at a scale too small to see—the nanoscale. By studying the nanoworld, we can create nanomachines that mimic nature.Also in: Italiano | عربى…
A quiet western town waits for the arrival of the swarm of contestants for the 2011 Ugly Bug Contest. Who will be this year's most WANTED bug?
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).
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.
Hacking is a word that is often tied to something bad. However, there are times when hacking can be for something good. Think of it as a tool that can be put to use for good or bad. We also think of hacking as something only done with computers, but can we hack other things? Dr. Biology has the…
Dr. Biology has a chance to learn some interesting things about exploring for new species from biologists Vicki Funk and Richard Pyle from the Smithsonian Institute and the Bishop Museum. This episode might just put the explorer bug into your head.
Podcasting is new to both Ask A Biologist and an exciting new science program called Science Studio. The host of this new show, Peggy Coulombe, talks with Dr. Biology about what it has been like to start podcasting.
Cell Size SIM
Play the Cell Size SIMCertain cell types should have a general size and have proportionate parts. But what if those sizes and proportions are different than…
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.
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.
Sea Urchins Do Research
No, urchins are not indigenous to the desert. The usual home for Strongylocentrotus purpuratus is the ocean's rocky floor for grazing along the intertidal and subtidal areas. Also in:…
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Sonoran CSI
Little water, sweaty, hot summer days and frigid winter nights make the desert an uninviting place for most animals and plants. But hiding just below the surface, the desert is alive with…
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Where In The World Is Kazakhstan?
Where in the world is Kazakhstan (Ka-zakh-ston)? This may be a puzzling question to some, but no longer. This story we will help put the pieces together.
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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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