Sean Carroll on the arrow of time At the University of Sydney, cosmologist Sean Carroll gives an entertaining and thought-provoking talk about the nature of time, the origin of entropy, and how what happened before the Big Bang might be responsible for the arrow of time we observe today. Watch Part 1 of Sean Carroll’s talk >> |
Bobby McFerrin hacks your brain with music In this fun, 3-min performance from the World Science Festival, musician Bobby McFerrin uses the pentatonic scale to reveal one surprising result of the way our brains are wired. |
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