Instructional Video10:05
SciShow

How Ancient Glass Could Transport Life Between Planets

12th - Higher Ed
There's a rare material called Darwin Glass that Tasmanian Aboriginals have prized for centuries. And while it took Western researchers a while to figure out what it was and where it came from, once they got their heads around it, they...
Instructional Video6:10
SciShow

3 Cosmic Time Capsules

12th - Higher Ed
Long before we were around, the universe was preserving clues about the distant past, in everything from little balls of carbon to huge groups of stars.
Instructional Video2:55
MinuteEarth

Garbage Doesn't Lie

6th - 12th Standards
What does your garbage say about you? Young scientists dig through a video about things people cast aside. The narrator shows the fascinating things in George Washington's garbage pile, ancient Roman garbage, and how the landfills we...