Scale of Universe - Interactive Scale of the Universe Tool

http://www.primaxstudio.com/stuff/scale_of_universe/
via http://www.milkandcookies.com/link/257984/detail/

Universal property of music discovered

http://www.sciencedaily.com/releases/2011/03/110325102008.htm

Bobby McFerrin hacks your brain with the pentatonic scale - Boing Boing

http://www.boingboing.net/2009/08/01/bobby-mcferrin-hacks.html

World Science Festival 2009: Bobby McFerrin Demonstrates the Power of the Pentatonic Scale from World Science Festival on Vimeo.