12 Oct 2017, 10:00 UTC
You don't have the right version of the adobe flash player to see this video. Please upgrade or install it at "http://get.adobe.com/flashplayer/"Subscribe to iTunes
What are you made of? You’re made of matter, which is made of molecules, which are made of atoms. But where did those atoms come from? The ones in you! How were they formed? Well, they were created inside of stars! Really, you’re made of star stuff!