The average life span of an umbrella is 1 1/2 years.
Jimmy Carter was the first U.S. president to have been born in a hospital.
Normally there are born 94 females to 100 males. But among quadruplets there are 156 females for every 100 males.
The slipper-shelled snail starts life as a male and gradually turns female as it grows up.
Fingernails have a life span of three to six months. That’s how long it takes them to grow from base to tip, progressing at the pace of 1.5 inches a year — or 0.000000047 inches a second.