About 2/3 of American men prefer boxers to briefs.
83
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.
35
47% of people have a nightmare at least once a month.
186
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Roughly a quarter of the world's people live in China.
50
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
Infants spend more time dreaming than adults do.
102