The pea aphid insect explodes itself thereby sacrificing its life to protect its relatives from predators.
3
Wyoming has only 2 sets of escalators in the entire state.
17
In 1976, an underachieving Princeton junior undergraduate wrote a term paper detailing how to make a nuclear bomb. He got an "A", but never got his paper back because it was seized by the FBI.
16
A woman named Rachel Krishevsky who died at age 99 had 1,400 direct descendants.
17