STEM in 30 is a neat webcast produced by the Smithsonian National Air and Space Museum. The series featured 30 minute live webcasts about a variety of topics related to air and space travel and science. During the live webcasts students can submit questions to the show's hosts. Students can also submit questions in advance of each show.
The next STEM in 30 episode will be webcast on May 11th. Helicopters will be the focus of the next episode. The show will be webcast live at 11am and 1pm EST.
If the live webcast schedule doesn't work for you, you can access the recording of the shows. Past show topics include kites, WWII and the Tuskegee Airmen, Mars exploration, and hot air balloons.