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0:52
Meet Annie Jump Cannon, whose stellar classification scheme is still used today.
0:56
A walk in the woods with his dog led Swiss engineer Georges de Mestral to invent Velcro.
7:02
How a large-scale lighting problem led to a low-voltage solution for a Florida artist.
4:22
A look at Cache Makers of Utah, a STEM-focused after school club for kids.
1:40
Learn about the science and technology behind the humble IP address.
0:55
What do you really know about the woolly mammoth? Test your knowledge here.
0:54
Meet Sara Josephine Baker, who made great strides in lowering the infant mortality rate.
1:00
What's smaller than a proton? Tinier than a neutron? The quark!
5:09
Meet Dustin Growick, who is using social media to get young people excited about dinosaurs
1:02
Discover the origins of the Periodic Table.
6:10
What's behind the tech buzzword? Brian Hecth joins us to cut through the hype.
3:54
How removing two dams made the Elwha River a whole lot dirtier -- in a good way.
