Related:

• A mathematician, a physicist, and an engineer were travelling through Scotland when they saw a black sheep through the window of the train.
  "Aha," says the engineer, "I see that Scottish sheep are black....
• M.A.D.D is the acronym for Mathematicians Against Drunk Deriving .
  ... A Native American woman is sitting on a moose hide....
• An engineer, a physicist and a mathmetician were driving in the country when they came upon pasture after pasture with only black cows in them.
  The engineer said, "There seem to be only cows colored black in this area....
• An engineer, a physicist, and a mathematician are shown a pasture with a herd of sheep, and told to put them inside the smallest possible amount of fence.
  The engineer is first. He herds the sheep into a circle and then puts the fence around them, declaring, "A circle will use the least fence for a given area, so this is the best solution....
• Proof By Intimidation ----- -- ------------ A Horse has an infinite number of legs.
  A horse has two legs in back and forelegs in front....
• A mathematical biologist spends his vacation hiking in the Scottish highlands.
  One day, he encounters a shepherd with a large herd of sheep....
• A sheep grazier has hired some aboriginal farm hands to help him on the property, one of whom's wife is pregnant.
  .. This aboriginal lady gives birth to a white child so the father approaches the property owner (who happens to be the only white man) wanting to know what has been going on....
• An engineer, a mathematician, and a physicist are staying in three adjoining cabins at a decrepit old motel.
  First the engineer's coffee maker catches fire on the bathroom vanity....