It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
As many as one third Americans flush the toilet while they are still on it.
157
You forget 90% of your dreams.
256
In a year, the average person walks four miles to make his or her bed.
56
Americans will spend more on cat food this year than baby food.
32
The single biggest predictor of love is proximity.
30
