It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
The world's tallest man reached 8 feet 11 inches at 21.
202
2,500 newborn babies will be dropped in the next month.
-12
You forget 90% of your dreams.
256
Infants spend more time dreaming than adults do.
102