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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.

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Not all insects are bugs, but all bugs are insects. How can this be? Learn about some particular insects that biologists call true bugs. Also in: Español

Our biological sex affects the way we look in some obvious ways, like deciding what body parts we are born with. But, it also has effects on a range of other sexual traits that you might not expect.

A tiny creature that flies and swims at the same time caught the attention of Arizona State University Professor Richard Satterlie a few years ago.

Humans can suffer from certain back problems in their old age, but other very similar animals don’t have the same issues. Why might this be the case?
An interview with biologist Raul Gutierrez. Dr. Biology and his co-host Taylor Cheatham learn about some very cool desert plants and some non-desert plants that are just wicked.

Did you know the westerly winds in the Southern Ocean have been helping to keep our planet livable? Yes, they have been responsible for soaking up half of the human-made carbon dioxide (CO2) along with a whole lot of excess heat. Dr. Biology has the opportunity to talk with geoscientist

Dr. Biology interviews research scientist Kate Ihle at Barro Colorado Island in Panama. BCI is part of the Smithsonian Tropical Research Institute.

Not everyone has been on a hike and very few have hiked with a park ranger. Dr. Biology hikes South Mountain Park with not one but two park rangers. Park Rangers Liz Smith and Justin Olson are our guides for the 2.5 mile trip up Holbert Trail. This episode…

Some fruits and food

What's GMO?

Read What's a GMO? and then take this quiz to test your knowledge!

colonel mustard ugly bug

Ugly Bug Contest 2013

2013 Ugly Bug Contest

Microbes cartoon

Microbes

Microbes: The Good, the Bad, The Ugly takes you on comic book journey inside the human body where there are both good and bad bacteria and viruses.

Ugly Bug Contest 2008

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.…

Ant Gallery (Get up-close to ants)

Now is the time to check out these amazing animals from the safety of your own computer.

Pollen Gallery (Pollen up-close)

Pollen comes in many shapes and sizes. These are just a few of the thousands of examples.

Plankton Zoom Gallery (Plankton up-close)

Plankton 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.

Saguaro

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…

Wordsearch | Crossword
Pollen close up

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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Astronaut

Spaced Out Physiology

Being an astronaut is a cool job, but before you sign up you should know life in space isn’t all fun and games.  The lack of gravity can make our bodies act in strange ways.

Also in…

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Digger Bees

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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