A French civil servant has been found to have a huge cavity filled with fluid in his head — yet lives a completely normal life. Scans of the man's brain show the huge fluid-filled chamber and the thin sheet of actual brain tissue. ... [T]he man, who works as a civil servant in southern France, has succeeded in living an entirely normal life despite a huge fluid-filled cavity taking up most of the space where his brain should be.
By the way, he works for the tax office. Got puns?
[hat tip: Fark]