Excellent video — Indian Superman with subtitles.
Tactile illusions: Seven ways to fool your sense of touch.
Computer programmer who lost a finger in an accident replaced it with a prosthetic — with a built-in USB drive.
BBC: Wizard of Oz as an economic parable.
Update on the Four Color Problem: Including cellphones, cliques, holes, anti-holes, and perfect graphs.
Pub is closed by Monty Python grenade.