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

We hear about biologists studying everything from tiny organisms to whole ecosystems. But how can the role of a biologist be so broad? Let's take a closer look at what biologists do and how you can become a biologist.Also in: Français |…

Almost all life forms start out as small cells, but how do they grow into entire animals? Read about the first step here: when cells in an embryo form germ layers that give rise to every organ and tissue in the body.
Knowing when you are sick and what illness you have is the first step to helping your body fight back. Immunologist Douglas Lake gets to design and build tests that can tell us what virus we have, or how well our body is fighting it.

We celebrate Earth Day every year, but in reality every day is Earth day. For our part here are some fun activities and things you can do to help the Earth.

Here is something special you can add to your trick-or-treating this year. Find out if there are vampire bats waiting to drink your blood - or if we really have a funny bone in our body? These are just a few of the things Dr. Biology and his guests Rebecca Fisher and

Travel with Dr. Biology as he heads to Washington D.C. to interview three people who are all involved with science even though two of them are not scientists. Interviews include Cheryl Zook (independent film maker), Elizabeth Pennisi (science writer), and…

Well known animal behavior biologist and author John Alcock takes time out from his busy schedule to talk with Dr. Biology about his work and his writing.

Building Your Own Ant Farm is a 2-part Ask A Biologist video with Dr. Biology and Rebecca Clark on how to build an ant farm with two recycled CD cases. Watch part two.

hand bones

Busy Bones

Explore the Bone Anatomy Viewer

Ever wonder what’s inside your bones? Here’s your chance to find out! Dissect a virtual bone and learn…

a salamander

Salamanders

Read He Ain't Tasty He's My Brother and then take this quiz to test your knowledge!

Albumin

Breaking Proteins

Every day, as you cook, clean, and eat, you are breaking proteins. Not sure how you're doing it? Join us to learn a few ways you can break proteins at home or in the classroom.
some crystals of different colors with microscopic life on them

X-ray Crystallography

Read Making Life Crystal Clear and then take this quiz to test your knowledge!

Thick blue pipes.

Virtual Water Treatment Plant

Virtual Water Treatment Plant

Have you ever wondered where the water in your home, school, or businesses come from? In this virtual tour, explore…

hand bones

Busy Bones

Explore the Bone Anatomy Viewer

Ever wonder what’s inside your bones? Here’s your chance to find out! Dissect a virtual bone and learn…

Cartoon of two scientists one male and one female.

Doctor Know

Play Doctor Know

Play doctor in the 21st century! Practice modern medicine by examining all dimensions of the body, from organs to molecules, as…

Nano building game

Nano Building

Play the Bionanoengineering Game

Basic building patterns can be used to think about how technologies are built at the nano-scale. Try your hand…