Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
Yawns are more contagious among people with closer relationships.
163
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
Roughly a quarter of the world's people live in China.
50
Men laugh longer, louder, and more often than women.
61
About 2/3 of American men prefer boxers to briefs.
83