I tan you for the humour.

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A physicist, a biologist, and a mathematician are sitting on a bench across from a house. They watch as two people go into the house, and then a little later, three people walk out.

The physicist says, “The initial measurement was incorrect.”

The biologist says, “They must have reproduced.”

The mathematician says, “If exactly one person enters that house, it will be empty.”

Last edited by Orac; 01/04/16 03:39 AM.

I believe in "Evil, Bad, Ungodly fantasy science and maths", so I am undoubtedly wrong to you.