It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Identical twins do not have identical fingerprints.
79
A study had men report their own penis size, and the average was found to be 6.1-6.5 inches. A subsequent clinical study actually measured penises, and found the average size to be 5.1-5.7 inches.
-3
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18
More than half the population of Kenya is under the age of 15.
71
Babies cry but they don't produce tears until one to three months after birth.
238
About 2/3 of American men prefer boxers to briefs.
83