The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
The average single man is one inch shorter than the average married man.
88
Muhammad is the most common name in the world.
96
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
76% of Americans celebrate New Year's Eve in groups of less than 20.
55