Horrible Jokes

Why did the chicken cross the road?

Newton:   A chicken at rest tends to stay at rest, a chicken is motion tends to cross the road.

Darwin:   Chickens, over the great periods of time, have been naturally selected in such a way that they are now genetically disposition to cross roads.

Einstein:   Whether the chicken crossed the road or the road moved beneath the chicken depends upon your frame of reference.

Heisenberg:   Because the chicken is moving very fast, you can either observe the chicken or you can measure its speed, but you cannot do both.

I just heard one about circumcision, but as laughing at it send one to hell, so I shall cut off here.