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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.

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Dr. Biology interviews research scientist Kate Ihle at Barro Colorado Island in Panama. BCI is part of the Smithsonian Tropical Research Institute.

They might be colorful. They might be cute to some people. But don’t let that fool you. These bright-colored frogs are poisonous. Dr. Biology talks with biologist Molly Cummings to learn about her work with some frogs that advertise to predators to stay away and other frogs that…

Humans think about food... A LOT. Our mouths might water thinking about the taste of pizza or a big salad or our favorite fruits. But how, exactly, does taste work? Also in: Español | Français

While cannibalism is fairly common among insects and crustaceans, most backboned animals avoid feeding on their own kind.

Hacking is a word that is often tied to something bad. However, there are times when hacking can be for something good. Think of it as a tool that can be put to use for good or bad. We also think of hacking as something only done with computers, but can we hack other things? Dr. Biology has the…

Have you ever wondered where plants get their mass? All those leaves and branches have to come from somewhere, but where?
An interview with physicist Peter Vukusic. Dr. Biology gets the inside story about iridescent color, the science behind it, and believe it or not a link between science, surfing and snowboarding that you may not thought about.

Welcome to an exciting journey that takes you through the wild and fascinating world of zoos. Our guest for this episode is none other than Bert Castro, the President and Chief Exective Officer of the Arizona Center for Nature Conservation.…

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…

Monster game

Monster Maker

Play Monster MakerBuild your own monster by decoding the monster genome in Monster Maker, a DNA game. It is not very different from what happens in every…
Keys to the Ocean Taxonomy Game

Keys to the Ocean Game

Play the Keys to the Ocean GameOur world is full of different plants, animals, bacteria, and other life. But how do we know which species is which?…

Ant Gallery (Get up-close to ants)

Now is the time to check out these amazing animals from the safety of your own computer.

Pollen Gallery (Pollen up-close)

Pollen comes in many shapes and sizes. These are just a few of the thousands of examples.

Feather Zoom Gallery (Feathers up-close)

There is nothing like seeing a feather up close.

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.

Nerve impulse thumbnail

A Nervous Journey

Let’s take a ride. It is going to be a fast one, so be prepared. Where are we going? We are going to start at your head and end up at your toes. It may not seem like a long trip, but it is…

Wordsearch | Crossword
Endangered animal list

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…

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Building Blocks of Life Illustration

Building Blocks of Life

All living beings are made up of cells. Some of them are made up of only one cell and others have many cells. Also in: Español |…

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Monarch butterfly puzzle

Migrating Monarchs

Thousands of orange and black shapes flutter through the trees. Welcome to one of the few wintering homes of the monarch butterfly. Also in: Español…

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