Explore, Play, Discover: Websites, Activities, and More

Study ultraviolet radiation from the sun and other sources using UV beads.

Sometimes we can learn about outer space when space objects come to us.

See if you can put these sounds back together in this sonic jigsaw puzzle.

Come with us to Chaco Canyon in northwestern New Mexico, which is rich with thousand-year-old artifacts of the ancient Pueblo culture and contains sites that appear to have been astronomical observatories.

Explore the strangest of strange attractors, the Lorenz butterfly.

Stories about science, art, and human perception—from 1998. 

Explore an interactive map.

You may be surprised at the results of this "wimpy" workout.

See recent articles on polar science.

Explore the unknown world inside your brain with these fun activities.

Make a photographic image without a camera!

What do stem cells, fruit flies, and zebrafish look like under a microscope?

Remote sensing allows geologists to peek under the ice – and find a big surprise.

What does it take to block gamma radiation?

Learn about bike gears using thread spools and a rubber band.

Use the Science Journal mobile app to investigate movement.

Recycle some cans to make after-dinner music!

How do scientists establish the age of artifacts, rocks, and settlements?

Summertime in the Arctic is for the birds

These unique – and uniquely beautiful – seal species spend their lives amid the sea ice

Learn the science behind bad hair days, and learn how hair increases its length when humidity increases, making curly hair frizz and straight hair go limp.

Close your eyes and listen to tell where the paddle is when you play this all-listening version of the classic game Pong.

An introduction to spectra and to the space-based telescopes. The site includes a number of hands-on activities.

Hear vocal tract models transform the squawk of a duck call into vowel sounds.

Learn about the inner workings of a cell through this interactive exhibit.

Explore the Traits of Life exhibition space using this 360˚ panorama.

A profile of frog researcher Dr. Tyrone Hayes.

Learn about common techniques for peering inside the body in order to diagnose disease and injury.

Visit the Outdoor Exploratorium at Fort Mason to explore the science behind wind, waves, and more.