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SciShow
How Ancient Glass Could Transport Life Between Planets
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...
SciShow
3 Cosmic Time Capsules
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.
MinuteEarth
Garbage Doesn't Lie
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...