04:12 This fascinating video packages scientific knowledge and philosophy into music, auto-tuning the voices. It draws from Carl Sagan’s “Cosmos,” “Universe series,” Richard Feynman interviews, Neil deGrasse Tyson’s cosmic sermon, and Bill Nye’s “Eyes of Nye,” with added visuals from “The Elegant Universe,” “Stephen Hawking’s Universe,” and “The Powers of 10.”

07:07 Celebrated physicist Richard Feynman explains what fire, magnets, rubber bands (and more) are like at the scale of the jiggling atoms they’re made of. This accessible, enchanting BBC conversation reveals a teeming nano-world that’s just plain fun to imagine.