It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Infants spend more time dreaming than adults do.
102
The single biggest predictor of love is proximity.
30
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Approximately 365 million people in the world have computers while half of the world's 6.5 billion population has never seen or used a telephone.
75
90 percent of women who walk into a department store immediately turn to the right.
134