It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
In 75% of American households, women manage the money and pay the bills.
97
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
In a year, the average person walks four miles to make his or her bed.
56
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
It is estimated that at any one time, 0.7% of the world's population are drunk.
90