Can you take a sip of water from a cup with your eyes closed?
Use your naked egg to experiment with osmosis, the movement of water across a membrane.
Visit Kendon Candies, a lollipop factory in San Jose, California
These unique – and uniquely beautiful – seal species spend their lives amid the sea ice
What's the quietest sound you can find – and how can you find it? Download listening tips.
Search a geological map of Ethiopia for fossils.
If you stare at this dot, for few moments it disappears.
What are the best materials for frames? What are the best designs?
Do a card trick that's guaranteed to make you look like a mind reader.
Summertime in the Arctic is for the birds
Learn about bike gears using thread spools and a rubber band.
Pier 15 (Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
More Contact Info
Sign up for our newsletter