A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Babies cry but they don't produce tears until one to three months after birth.
238
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
A man named Charles Osborne had the hiccups for approximately sixty-nine years.
79
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
Nearly 10% of American households dress their pets in Halloween costumes.
36
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20