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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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Battling bacteria can be tough, as they can evolve quickly and resist many of our treatments. But Shelley Haydel is working on new ways to fight bad bacteria.

Dr. Biology continues his conversation with biologist Ed Wilson. Just what does it take to be a great scientist? What would he do to encourage students to become scientists? These are just a few of the things we learn in this show as well as what Ed Wilson would do or be if he…

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.

Tardigrades are some of the toughest animals on earth. They can survive freezing, drying up, radiation, and space, all while being smaller than the tip of a pencil.

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.

Imagine you want to pull a long cylinder-shaped piece of soil (called a core) out of the ground in your backyard. What kind of tools would you need? Find out how researchers collect cores in the Frozen Arctic.

Dr Biology sits down with well known science correspondent, Robert Krulwich (Radiolab), for a fun conversation about communicating science. The two talk about media, old and new, and maybe some that may not have been developed.
Get the 411 or in this case the ATGC on DNA and the new gene editing tool called CRISPR.
an ant farm

Ant Farm

Read Ant Farm and then take this quiz to test your knowledge!

Can you see DNA?

Seeing DNA

Every living thing uses DNA as the instructions for life. But how can we be sure that something so small is actually there at all? Here is one experiment that you can do at home or school that…

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.

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.

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.

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…

Wordsearch | Crossword
Two illustrated bats

Bats

Like humans, bats are mammals. They are warm-blooded, covered in hair, have live young, and nurse their young (called pups). Unlike humans, bats have wings, which allow them to fly.Also in:…

Wordsearch | Crossword
Endangered animal list

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…

Wordsearch | Crossword
jigsaw sail boat

Why Are English Sailors Called Limeys?

Imagine you are on a sailing ship in 1747. You left England only a couple of months ago and you felt fine. Now you are so tired you can barely walk. Dr. Lind wants to discover what is causing…

Wordsearch | Crossword