Discover how science plays a leading role in everything from global warming to soccer or painting. The Exploratorium Web site contains cool features like weekly webcasts, a digital media library, the Roof Cam (a live steaming video of the view from the Exploratorium's roof in San Francisco), and lots of links to more interactive learning sites. You can also check out the countless online exhibitions in the Explore section. Find out about biodiversity with From Jungle to Lab. Get the history and science of chocolate. Or, uncover the origin of languages. Other online features include archived webcasts of the annual Robot Sumo Competition and an entire Online Activities collection.