It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The Japanese commonly put ketchup on their rice.
16
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18
The higher the income, the more likely an American man will cheat on his wife.
94
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Women who are romance novel readers are reported to make love 74% more often with their partners than women who do not read romance novels.
136
The average woman uses her height in lipstick every 5 years.
146
Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131