Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Children's sense of smell is better than adults'.
860
A hard working adult sweats up to 4 gallons per day.
39
According to CNN national security correspondent David Ensore, as of 2002 bin Laden had married four women and fathered roughly 25 or 26 children.
54
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
Intelligent people have more zinc and copper in their hair.
233