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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Test drive our Bird Finder tool based on our virtual bird aviary of the southwest. A great way to learn about birds in your own backyard. Image of Northern Cardinal above by Robert Shantz.

Tardigrades are some of the toughest animals on earth. They can survive freezing, drying up, radiation, and space, all while being smaller than the tip of a pencil.

Scorpions are often misunderstood. Many people say that scorpions are so aggressive they will sting themselves to death, but this is not a natural behavior of scorpions in the wild. Also in: Français |…

Most of us wish we could predict the future. We want to know everything from who will win the big football game to whether or not our favorite superhero will defeat the super villain. Biologists want to know the future too.

In a world where animals, humans, and the environment are forever linked, the health of wildlife is a cornerstone for the well-being of all. In this episode, we embark on an extraordinary journey with Sara Wyckoff, a wildlife veterinarian from the Texas Parks and Wildlife…

In this program we talk a lot about cells. In particular plant, animal, and microbial cells. But did you know there is a world of microbes that make their home inside and on our bodies? Before you start to worry, you need to know most of these microbes are important for us to live. In fact, without…

We hear a lot about DNA, but not as much about RNA. It is true that DNA is the encyclopedia of life or the ultimate instruction manual for living things. But what good is a book if it is not read or an instruction manual that is not used? This is where RNA comes into the story of life. It is the…

The 2013 Ugly Bug Contest has come to an end and all the clues point to a single suspect.

some puzzle pieces with pollen cells

Pollen

Read Pollen - Nature's Tiny Clues and then take this quiz to test your knowledge!

a time machine with plants on it

Seeds

Read Time Traveling Plants and then take this quiz to test your knowledge!

cells showing the interior of their structure

Building Blocks of Life

Read Building Blocks of Life and then take this quiz to test your knowledge!

Ant Gallery (Get up-close to ants)

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

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.

Feather Zoom Gallery (Feathers up-close)

There is nothing like seeing a feather up close.

Plankton Zoom Gallery (Plankton up-close)

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

Cloning Sheep

Cloning Ewe

What is cloning and do we have clones living among us today? The answers might surprise you or maybe we should say ewe.

Wordsearch | Crossword
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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crystallography

Making Life Crystal Clear

Much like a mechanical watch, living things only work when all the gears work together. Some of the tiniest of gears are proteins. Learning about the shape and size of these proteins is the job…

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