Read our stories
Listen and watch
Enjoy our activities
View zoom galleries
Solve puzzles
Welcome to Ask A Biologist. This site has a large collection of biology learning materials that includes stories, games, activities, videos, and a podcast.
No two environments on Earth are the same. But with so many places to learn about, we often need to talk about some environments as a similar group rather than individually. For that, we have the brilliance of biomes.Also in: Français | …
Most girls around the world have periods, but how and why do periods happen? Periods are part of the menstrual cycle, which is an essential part of the female reproductive system.
In a world where animals, humans, and the environment are forever linked, the health of wildlife is a cornerstone for the well-being of all. In this episode, we embark on an extraordinary journey with Sara Wyckoff, a wildlife veterinarian from the Texas Parks and Wildlife…
These fluttering icons of North America are a favorite of many people across the world, but they may be having some population problems. Don’t worry though, there are ways you can help. Conservation specialist Gail Morris talks with our student guest host Kayna Lantz…
Step-by-step tutorial for building your own Pocket Seed Viewer. You can use it to test the effects of light, dark, temperature and gravity on seed germination and plant growth.
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 gets the skinny on our largest organ - our skin. Professor and author Nina Jablonski talks about the important ways our skin works for us each day.
Create Your Own Herbarium
Have you ever seen an interesting plant that you wanted to keep? The best way to preserve a plant specimen is to press it and dry it. Here are the simple materials and steps you need to make…
Plankton Zoom Gallery (Plankton up-close)
Plankton 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.
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.
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
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
Itty Bitty Beasts
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.
Wordsearch | Crossword
Ants
There are so many types of ants that it's funny the animated movie about them centers on one type that doesn't exist: a male worker ant. In this story you can explore some of the types of ants…
Wordsearch | Crossword