It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Children's sense of smell is better than adults'.
860
Identical twins do not have identical fingerprints.
79
Women mature much faster than men.
1k
Eskimos don't gamble.
78
Each year, around 24,000 Americans are bitten by rats!
65
Chen Guanming, from Jiangsu province in eastern China, traveled by RICKSHAW for 2 years and covered nearly 40,000 miles through 16 countries, surviving flood, war zones and extreme temperatures, finally arriving at the London 2012 Olympics.
7
Americans will spend more on cat food this year than baby food.
32