It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
The average bra size today is 36C. Ten years ago it was 34B.
266
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
The most dangerous job in the United States is that of an Alaskan Crab Fisherman.
65
All babies are color blind when they are born.
114
More than half the population of Kenya is under the age of 15.
71
The single biggest predictor of love is proximity.
30