1 + 2 + 3 + 4 + 5 ... = -1/12
-- Numberphile explains a counter-intuitive summation of an infinite series. [more inside]
Japan World Cup.
It's in Japanese, but if you don't understand a word of what's going on here, but just click on random stuff until the race starts.
Justice "live" on Jimmy Kimmel
-- An interesting solution to the problem of 'performing' electronic music.