Definitely the Dihydrogen Mooxide one: http://www.dhmo.org/facts.html http://www.dhmo.org/facts.html I would add some comment but I don't want to spoil it to p

Definitely the Dihydrogen Mooxide one: http://www.dhmo.org/facts.html http://www.dhmo.org/facts.html I would add some comment but I don't want to spoil it to people that never heard of it. It's just worth a reading :)