When you visit a pond or the beach, you might see fish, frogs, crabs, insects, seaweed, or lily pads. Don’t let your eyes fool you, though… there’s a hidden world in water full of creatures too small to be seen!
Every second of every day the brain is collecting and sending out signals from and to the parts of your body. It keeps everything working even when we are sleeping at night. Take a tour of this amazing control center.
Sometimes the best way to learn biology is by playing a game or using a simulation. Here you will find our current collection of fun biology games. We hope you enjoy them.
How are humans different from other animals?
by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteers page to get the process started.ShareThis