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

They say mother knows best; this may be especially true when it comes to moms sharing protective immune molecules with their babies.

Being a parent is hard work. Though a snake might not seem comforting to you, pythons are actually very dedicated moms that take good care of their kids.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.

When it comes to fighting off bad germs, doctors have to use their best medicines. What do we do though, when our best weapons make our enemies stronger?Also in: Español | Italiano |…

Dr. Biology along with a group of curious high school students learn why Detective Flora Delaterre is investigating plants and how they can be the perfect medicine for what makes you sick.

An interview with biologist Pierre Deviche and his passion for recording some of natures most interesting animals. Humans are not the only animals that have dialects as you will learn in this show. Dr Biology tests your skills again with a mystery animal quiz at the beginning of…

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.

Not everyone has been on a hike and very few have hiked with a park ranger. Dr. Biology hikes South Mountain Park with not one but two park rangers. Park Rangers Liz Smith and Justin Olson are our guides for the 2.5 mile trip up Holbert Trail. This episode…

Microbes cartoon

Microbes

Microbes: The Good, the Bad, The Ugly takes you on comic book journey inside the human body where there are both good and bad bacteria and viruses.

A world with some climate changes

Crazy Climate

Read Crazy Climate and Wacky Weather and then take this quiz to test your knowledge!

A clean glass of water with sparkles around it.

Water Activities Central

Visit Water Activities Central

Water is an essential part of our lives. It keeps us alive, helps to grow our food, helps keep our…

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…

A colorful DNA helix, three Cas9 proteins, and a handful of florescent markers.

Cracking CRISPR

Play Cracking CRISPR

DNA is the key to life, so it's no wonder that we've been working to crack the code. With the tool CRISPR Cas9, we'…

Solving mysteries illustration

Using the Scientific Method: The Case of the Mystery Images

Play The Case of the Mystery Images

Looking for another detective assignment? Practice all the new detective skills you learned in the…