Children's sense of smell is better than adults'.
860
Roughly a quarter of the world's people live in China.
50
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
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 Japanese commonly put ketchup on their rice.
16
In 75% of American households, women manage the money and pay the bills.
97
People with blue eyes are better able to see in the dark.
153
Every human spent about half an hour as a single cell.
144