影片說明： Bobby McFerrin demonstrates the power of the pentatonic scale, using audience participation, at the event "Notes & Neurons: In Search of the Common Chorus", from the 2009 World Science Festival, June 12, 2009.
World Science Festival 2009: Bobby McFerrin Demonstrates the Power of the Pentatonic Scale
順便附贈一段說明 how men was deceieving by his own illusion 的影片，Ted's newest one. ^_^
影片說明： Sugar pills, injections of nothing -- studies show that, more often than you'd expect, placebos really work. At TEDMED, magician Eric Mead does a trick to prove that, even when you know something's not real, you can still react as powerfully as if it is. (Warning: This talk is not suitable for viewers who are disturbed by needles or blood.)
