It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Just one in three consumers pays off his or her credit card bill every month.
27
Yawns are more contagious among people with closer relationships.
163
People with light eye colors (like blue, green or grey) have a higher alcohol tolerance.
194
Nearly 10% of American households dress their pets in Halloween costumes.
36
Approximately 70,000 people in the U.S. are both blind and deaf!
7
The Japanese commonly put ketchup on their rice.
16
Dutch, on average are the tallest people.
187