Can you explain science with seven everyday items? We're looking for some creative minds to say how a part of the human body works, or how a process occurs in the body, in two minutes or less. No fancy equipment is needed--a smartphone camera will do. Winners will be featured on the Scientific American web site. Plus, the first 100 qualifying entries will get a free Scientific American digital subscription, which includes the iPad app of the magazine. Here's a video of the instructions. You must be a U.S. resident and over the age of 18.
Here is a sample video shot with a Flip camera. It explains how knees work:
Hurry, entries must be uploaded by December 17 on our partner site Good luck! Click here for official rules and entry instructions.>>