A kindergarten class had a homework assignment to find out about
something exciting and relate it to the class the next day. The first little
boy called upon, walked up to the front of the class, and with a piece of chalk,
made a small white dot on the blackboard, then sat back down.
Puzzled, the teacher asked him just what it was. "It's a period," said
the little boy.
"Well, I can see that." She said, "But what is so exciting about a period?"
"Darned if I know," said the little boy, "but this morning my 16 year old
sister was missing one, Dad had a heart attack, Mom fainted, and the man
next door shot himself."