They could avoid misfortune by marrying a tree first. A female ferret will die if it goes into heat and cannot find a mate. A duck's quack doesn't echo. No one knows why. In Minnesota it is against the law to hang male and female underwear next to each other on a clothesline.
Every person has a unique tongue print.
The 'spot' on 7UP comes from its inventor, who had red eyes. He was albino. Every night, wasps bite into the stem of a plant, lock their jaws into position, stretch out at right angles to the stem, and, with legs dangling, fall asleep. 315 entries in Webster's 1996 Dictionary were misspelled. During the chariot scene in 'Ben Hur' a small red car can be seen in the distance.