Noah was washing his hands with warm (well, hot) water tonight. He doesn't like washing his hands with hot water - he says that it is too hot. He then proceeded to turn the hot faucet off.

I told him that it doesn't do any good to wash your hands with cold water. Hot water kills bacteria.

"No, Mom. It doesn't. Cold water kills it. What happens is the cold water freezes the bacteria and traps it in ice cubes and they fall off of your hands."

Quite frankly, I think that he is on to something. Hmmmm.