Welcome to Ask A Biologist. This site has a large collection of biology learning materials that includes stories, games, activities, videos, and a podcast.

If you could travel back in time what would you find 50 million years ago? What was the climate like? Would you find the same plants? What animals were crawling, walking, and flying around? Paleoentomologist Bruce Archibald takes Dr. Biology back in time to explore the planet…

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.

Embark on a journey through the intricate dance of nature and innovation as we welcome Saad Bhamla, a scientist at the forefront of biological engineering. Your curiosity will be rewarded as you and Dr. Biology learn about some of the…

Dr. Biology learns how birds might have developed their ability to fly from ornithologist Ken Dial. The two talk about the evolution of bird flight and some of the other cool things birds can do - like are penguins really flying birds?

You are now entering another dimension. A dimension of insects determined to be crowned the next ugly bug champion.

There is something about sharks that bring out our inner fears that sends chills down our back. But these animals have an important role in the health of our oceans. There are over 500 species of sharks, which means there is a lot to be learned about them. Like, did you know some sharks do not have…

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…

Could these shy cats be living in Southern Arizona? Dr. Biology learns about these amazing animals from wildlife biologist Emil McCain. The two talk about the Borderlands Jaguar Detection Project and how two long-time hunters became the biggest fans and supporters for Jaguar…

a zoomed in cartoon of plankton

Plankton

Read An Invisible Watery World and then take this quiz to test your knowledge!

a digger bee excavating

Digging Bees

Read Desert Diggers and then take this quiz to test your knowledge!

Learn about the peppered moth

Picking off the Peppered Moth

Play the Peppered Moths Game

Get your beaks ready, it's moth-hunting time. In the Peppered Moths Game, you take on the role of the hunter and…

Human skeleton game

Skeleton Viewer

Explore the Skeleton Viewer

To explore the bones of the human skeleton, check out our Skeleton Viewer. Take a look further inside of a bone…

An illustration of different cell sizes and a ruler, to measure nuclear cytoplasmic ratios

Cell Size SIM

Play the Cell Size SIM

Certain cell types should have a general size and have proportionate parts. But what if those sizes and proportions are…

EcoChains logo, a polar bear over an iceberg with text below that says EcoChains.

EcoChains: Arctic Futures

Play EcoChains: Arctic Futures

EcoChains: Arctic Futures is a game that introduces you to arctic life and ice that is so very important for survival.…

A cartoon illustration of a mosquito biting human skin

Epic Mosquito Quest

Play Epic Mosquito Quest

Mosquitoes go beyond annoying, to being downright dangerous at times. How can you reduce the number of mosquitoes around your home, to…