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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.
Doctors place Intrauterine Devices (IUD) in the bodies of some females to help prevent pregnancy. Learn about how these devices work and how long they’ve been around.
You may see advertisements for vitamins all the time. Do we really need vitamins? And if we do, how do we know which vitamins are high quality? Take a tour into the history, science, and manufacturing of vitamins.Also in: Español
The career path for biologist Kevin McGraw was set by a chance sighting through a window of a Costa Rican coffee shop.
How are some animals keeping cool and staying warm? Listen in as Dr. Biology talks with biologist Dale DeNardo and engineer and thermographic artist Arno Vlooswijk about thermoregulation. Could there be lessons for humans to learn from these animals?
It's tiny versus the mighty and a battle for an acacia tree. Dr. Biology catches up with Beth Pringle a biologist exploring the savanna of Kenya. The two talk about two animals that seem mismatched for battle that has a surprise ending. Beth is also the biologist who took us along…
Have you ever wondered how evolution operates at a cellular level? Dr. Biology has a conversation with evolutionary biologist William Ratcliff in an episode that investigates the process of how single cell mutations can make the leap to coordinated groups of cells and ultimately…
Tune in and get turned on to the world of tiger beetles! Dr. Biology chats with biologist David Pearson about these colorful sprinters that are not only fun to watch but also important “bioindicators” that help scientists understand the health of habitats. You’ll discover how tiger…
What does it take to attract a mate? For some animals it requires some push-ups. Other animals have a dance. And in both cases showing off some color is important. Dr. Biology catches up with biologist David Clark to learn more about his lizards and the robot lizards he has built…
Desert Survivor
In this story-based game, you are a young rattlesnake learning to survive in a harsh desert environment. You'll search…
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:…
From Bits to Brilliance
Joshua Daymude studies emergent behaviors—what happens when a group follows basic rules, but their small actions lead to big behaviors. His work applies to many different groups, from ants to robots…
Seasoned to the Tilt
Have you ever thought about your favorite season, and why it looks and feels the way it does? This activity will help you see and understand why Earth has seasons, and the two things that…
Picking off the Peppered Moth
Get your beaks ready, it's moth-hunting time. In the Peppered Moths Game, you take on the role of the hunter and…
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.…
Bee Learning Lab
Take a trip with us today into the Bee Learning Lab. Train bees in your very own experiment and see how you can make them learn…
Cell Size SIM
Certain cell types should have a general size and have proportionate parts. But what if those sizes and proportions are…