World of Biology

Secrets of a Superorganism

Written by: Tate Holbrook, Rebecca Clark, and Brian Haney

Ants are everywhere - they thrive in forests, fields, deserts, and cities all over earth. But what is the secret behind their success? Like humans, ants are social. They live and work together in highly organized societies called colonies.
Also in: Español

Secrets of Sleep

Written by: Sisi Gao, Patrick McGurrin

You sleep every night, but do you know what happens when your body sleeps or why we sleep the way we do?

Seeing Color

Written by: CJ Kazilek, Kim Cooper

Did you ever wonder why you see the colors you do or if other animals see the same colors that you see? We see light that bounces off of things around us. When the light enters our eyes, special cells tell our brains about the light.
Also in: Français

Sensing the World

Written by: Dr. Biology

Living things need to be able to sense the world around them to avoid danger, find food, find mates, and for other important activities. Learn about the five senses used by many animals to sense the environment.
Also in: Français

Singing in the Rain

Written by: Alex Brashears

Many things change during the seasons, including the temperature and the amount of rain that falls. Plants and animals also change with the seasons.
Also in: Español | বাংলা

Six-legged Recipes

Written by: CJ Kazilek, Mary Liz Jameson

Food fit for a king or maybe a local pot-luck dinner. These six-legged recipes will be sure to have everyone talking. In some cases, you might end up the buzz of the meal.

Snacking on Sunlight

Written by: Heather Kropp, Angela Halasey

If it weren't for plants, most of the other organisms on this planet wouldn't survive. Most plants can use energy from the sun to make their own food. Let's take a closer look at the complex process of photosynthesis that gives them this special ability.
Also in: Nederlands | Français | Español | Português | Türk | عربى | தமிழ்

Sonoran CSI

Written by: Kirsten Traynor

Little water, sweaty, hot summer days and frigid winter nights make the desert an uninviting place for most animals and plants. But hiding just below the surface, the desert is alive with microbes—tiny, living things too small to see without magnification.
Also in: Français | Español

Spaced Out Physiology

Written by: Amy Shira Teitel

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: Shqipe | Italiano