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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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There is an endless march going on in the rainforest, as tiny farmers collect food to bring back to their fungus. Join us in the rainforests of Panama as we take a closer look at the life of the leafcutter ant.
We start off as a single tiny cell, and yet somehow we are born as whole humans. Get to know the stages of that process and how quickly we develop.

Imagine a world where animals have the capacity to show their natural behaviors and even engineer their own environments. For this episode, we're thrilled to have Danielle Wong, the Behavioral Enrichment and Animal Welfare Coordinator at the…

Medicinal plants come in all shapes and sizes. Probably some of the weeds growing in your yard, fields, or even cracks in your sidewalk are medicinal. Who knew there was a different kind of drugstore—a vital and ancient one—all around us? Also in:

Love them or hate them, something is going on with male crickets on the island of Kauai. Once evenings filled with a chorus of these tiny singers has become strangely silent. Dr. Biology talks with biologist Marlene Zuk about how things are changing fast – maybe the fastest…

A quiet western town waits for the arrival of the swarm of contestants for the 2011 Ugly Bug Contest. Who will be this year's most WANTED bug? 

Cooperation is something that humans and animals are known to do. It turns out that the 30 trillion cells in our body also need to cooperate. Like some humans, there are cells that are cheaters when it comes to cooperation. They do not do their share of the work and cause a lot of other problems.…
No, this episode is not about the rock band or the cute German car that people love. This show is about some curious insects that have very different relationships with ants. To be exact, this is about three species of beetles that either battle ants, live close by an ant colony, or in one case…
a fig and a wasp

Fig Wasps

Read Life and Death of a Fig Wasp 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.

Ant Gallery (Get up-close to ants)

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

Plankton Zoom Gallery (Plankton up-close)

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

Pollen Gallery (Pollen up-close)

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

Bone Zoom Gallery (Up-close Inside Bones)

Take a look at the microscopic world of bone in our virtual bone histology lab. Just pick a microscope slide from below and click on it to view under the virtual microscope.

Beetles puzzle piece

How Do Beetles Reproduce?

Every living thing must be able to reproduce and make offspring. Most of us are familiar with how humans and mammals make babies, but do all creatures reproduce in the same way? Do insects,…

Wordsearch | Crossword
Astronaut

Spaced Out Physiology

Being an astronaut is a cool job, but before you sign up you should know life in space isn’t all fun and games.  The lack of gravity can make our bodies act in strange ways.

Also in…

Wordsearch | Crossword
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 |…

Wordsearch | Crossword
Girl inspecting ecosystems

I Spy an Ecosystem

We hear the word ecosystems in the news and at school but just what are ecosystems? It turns out there are lots of ecosystems. You might even learn you have some inside you! Also in:…

Wordsearch | Crossword