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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.
All living beings are made up of cells. Some of them are made up of only one cell and others have many cells. Also in: Español | Français | Deutsch…
Who in this mysterious cast of characters is the ugliest? Look in the study — is it Colonel Mustard? Or is Ms. Scarlet, hiding in the library, the most grotesque? Get the clues and decide on your own.
If aliens were to contact us, what would you say? How would you say it? These are just a few of the questions that Dr. Biology talks about with guest Lucy Hawking. The two have fun with these ideas and more as part of the…
Your stomach is full of tiny organisms that live in peace and harmony with your body – but what happens when the peace is disrupted?
Dive into the behavior and physiology of two different primate species that are helping biologists explore the science of stress, aging, and immunity. Dr. Biology sits down with scientist Noah Snyder-Mackler from Arizona…
Television portrays the lives and work of forensic artists, but what is it like to really be a forensic artist? Are the tools you see on the big and little screen really used by the people who recreate the face of someone when there might only be a skull or parts of a scull to use as a starting…
Embark on a journey through the buzzing world of grasshoppers and locusts with Dr. Biology. In this episode, biologists Rick Overson and Mira Word Ries, from the Global Locust Initiative at Arizona State University dig into the world of these insects. The…
Part of what makes science fun and challenging is solving puzzles and investigating mysteries. For this episode, Dr. Biology sits down with ecologist Charles Brown and the two talk about his 40-year journey of discovery and rediscovery. This is a curious story that involves an…
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…
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.
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.
True Bugs
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…
Wordsearch | Crossword
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.
…Wordsearch | Crossword
How to Find What You Need on the Internet
Searching for things on the Internet can be like hunting for a needle in a large haystack. Just how large is the Internet?
Wordsearch | Crossword
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,…
Wordsearch | Crossword