Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
According to a study, women ages 22 to 30 with no children and no spouse earned a higher median income than comparable men in 39 of the 50 largest U.S. cities in 2008.
9
The average person falls asleep in seven minutes.
115
Studies show that financially stable men prefer smaller breasts.
16
Nearly 10% of American households dress their pets in Halloween costumes.
36
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11