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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.
Where might we find life, and what should we even be looking for to see if life exists on other planets?. Sara Walker is going where others have not gone before in the search for life.
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.
Dr. Biology travels to the Tres Rios wetlands, a place where all types of living things can be found. He talks with local biologists about many of the species and also gets a chance to sit down and talk with Quentin Wheeler who is starting a new Institute that will be exploring…
Changing careers can be a challenge. It can also be rewarding. And for some people it is an opportunity to fulfill a childhood dream. This is the case for John Truong who has been an artist and animator on some of the popular movies produced by Pixar, DreamWorks, and Disney. While…
Have you ever wished for a place on the Web where you could find quality science content that you can count on and trust? Your wish has been granted. Learn about the National Science Digital Library and all the projects and resources created just for science, technology, engineering and math. It…
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…
Remember your last paper cut, or the bad cold that had you coughing and blowing your nose? It was your immune system that was busy trying to make you better by battling the bacteria or virus that was attacking your body. How your immune system works is the discussion Dr. Biology has with…
Let the Germs Begin
Germs are tiny organisms that can make you feel sick and cause disease. During this activity you will illustrate the steps germs take during transmission. You will learn about the different…
A Nervous Experiment
Do you think you need the same number of nerves in every part of your body? Where in your body might you need more nerves? See for yourself! Also in:…
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.
Pollen Gallery (Pollen up-close)
Pollen comes in many shapes and sizes. These are just a few of the thousands of examples.
Ant Gallery (Get up-close to ants)
Now is the time to check out these amazing animals from the safety of your own computer.
Desert Diggers
The digger bee is just one of about a thousand species of native bees in Arizona, many of which have females that burrow into the ground with their jaws and legs when constructing a nest.
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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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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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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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