1. There is an inverse relationship between how carefully you stack the dishes inside the dishwasher and how tidy you keep it outside in your kitchen.
  2. In addition to funny-haha and funny-strange there is a third category of joke where the impetus for laughter is that the comedian has made some embarrassing fact that is privately true for all of us into common knowledge.
  3. It would be too much of an accident for 50-50 genetic mixing to be evolutionarily optimal.  So to compensate we must have a programmed taste either for mates who are similar to us or who are different.
  4. It is well known that in a moderately sized group of total strangers the probability is about 50% that two of them will have the same birthday.  But when that group happens to be at a restaurant the probability is virtually 1.