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1:18
What do you get when you introduce a chunk of Sodium to a Bunsen burner? Sizzling romance.
4:33
Explore an interactive periodic table, play an elemental game, and watch the NOVA program.
1:31
If an elevator falls, can you save yourself by jumping up at the last second?
3:20
See why an explosion three miles above Earth would act like a hot tornado on the surface.
2:58
Saul Griffith has put himself on a strict regime to reduce their carbon footprint.
2:44
What makes an energy source renewable and how can we use them to power our societies?
2:49
Bracing One World Trade Center's steel frame led to some unexpected perks at the worksite.
1:48
Developer Larry Silverstein explains what's different about the new 7 World Trade Center.
3:17
NOVA Labs: Learn how to use the Helioviewer, a tool at the heart of NOVA's Sun Lab.
