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

Even with 'tiger' in their names, life is hard for these fast and often colorful insects. Also in: Deutsch | Español | Français…

Alzheimer's and other brain diseases affect millions of people. Jeffrey Kordower and his colleagues are learning more about these neurodegenerative diseases so that we can try to treat them.
You might think that people can be born only as either males or females. In fact, lots of people are born with a blend of male and female traits. We call this being “intersex,” and it happens more often than you may think.

What might look like a lifeless world is actually filled with life and history. You just need to know where to look. Take a tour with two park rangers to get the inside story of South Mountain Park.

Listen in as young women scientists, CG Schultz and Jessica Mathews, talk about their work and interview ASU ecologist Kiona Ogle. Pauline Davies hosts the show as Dr. Biology is still exploring the Panama rainforest to bring back fun and exciting stories. We hope he is not lost.

Robert Page's journey is as captivating as the creatures he studies. From his early fascination with entomology to his experiences in the Vietnam War and his parallel passion for photography, his journey is a rich tapestry of experiences. We chat about the contributions he…

When you visit a pond or the beach, what kinds of living things do you see in the water? Don’t let your eyes fool you… there’s a hidden world in water full of creatures too small to be seen!

From the fear of failure to the pressure of feeling like you don’t belong — what really gets in the way of success, and what can help students push through it?

In this episode, Dr. Biology talks with Katelyn Cooper from Arizona State University School of Life…

a galleon sailing on puzzle pieces

ABC Vitamins

Read Why Are English Sailors Called Limeys? and then take this quiz to test your knowledge!

a cartoon of a lake

Freshwater Biome

Read Falling into Freshwater and then take this quiz to test your knowledge!

Dog Personality

Your Dog's Personality

How well do you know your dog? You'll find out lots more about your pet's personality by answering the questions in this chart.

a cartoon of a human and some animals showing internal body parts

Animal Physiology

Read Focusing on Physiology and then take this quiz to test your knowledge!

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…

Four mini-illustrations of a water bottle, the sun, a child, and sun protective wear (hat, glasses, and light t-shirt)

Beat the Heat

Play Beat the Heat

Staying safe in the heat is more than just a game, it can be a life saver. Luckily, you can see if you have what it takes to…

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…

COVID-19 game simulation

COVID SIM Pandemic Simulation

Explore COVID SIM

In the COVID-19 pandemic, how much does wearing masks and distancing matter? How important is it to get vaccinated? You can…