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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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It's a colorful world out there and Dr. Biology checks into the reason we see color and how animals use color. Listen in as Dr. Biology talks with Kevin McGraw animal behavior biologist in the School of Life Sciences at Arizona State University.

Step-by-step tutorial for building your own Pocket Seed Viewer. You can use it to test the effects of light, dark, temperature and gravity on seed germination and plant growth.

For many organisms, reproduction is a huge part of life. But what, exactly, does reproduction mean? Well, it can mean so many different things, including breeding or not, caring for young (or not), or giving birth (or not)... read on to learn about the diversity of ways that organisms reproduce…
Alzheimer’s disease makes it difficult to remember many things – like where you live, the names and faces of family members, and even your own name. ASU professor Diego Mastroeni’s job is to study Alzheimer’s disease, and to hopefully find a way to cure it.

Three inquisitive young co-hosts, Stephanie Galindo, Anthony Delgado and Raenesha Willis visit with biologist and microscopist Page Baluch. Together with Dr. Biology they explore the tiny world of inner space and learn that…

An interview with biologist James Collins who is the person directing the biology section of the National Science Foundation. Listen in and learn about this important science funding agency.

Dead men tell no tales, but their bones can. It just takes a particular kind of scientist to read the clues that tell the story. Dr. Biology sits down with guest Tony Falsetti, a forensic anthropologist who knows his way around a skeleton. They talk about the…

The race is on. It is one where biologists and citizen scientists are working as quickly as possible to find and identify all the species on Earth before some go extinct. It might not seem like an important race, but we learn from entomologist Kelly Miller that not knowing what…

Plankton Zoom Gallery (Plankton up-close)

Plankton 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.

Pollen Gallery (Pollen up-close)

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

Ant Gallery (Get up-close to ants)

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

Darwin and Mendel's Afternoon Tea

Darwin and Mendel's Afternoon Tea

An imaginary conversation between two great thinkers, Charles Darwin and Gregor Mendel. While the monk, Mendel, had read Darwin’s publications - Mendel's work only came to be known later. We…

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Peas

Solving a Genetic Mystery

The life and work of Gregor Mendel has some surprising pieces. Known as the father of genetics, his work was mostly unnoticed for 30 years after he published his famous paper. It is also…

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Leafhopper

True Bugs

Not all insects are bugs, but all bugs are insects. How can this be? Learn about some particular insects that biologists call true bugs. Also in: Español…

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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…

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