It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
Just one in three consumers pays off his or her credit card bill every month.
27
In 2002, Kenyan Maasai tribespeople donated 14 cows to the US to help with the aftermath of 9/11.
22
Americans will spend more on cat food this year than baby food.
32
Someone on Earth reports seeing a UFO every three minutes.
180
Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
30
On average, a person will spend about five years eating during his or her lifetime.
90