If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Only about 2% of the world population has green eyes.
36
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
119
Approximately one-third of the population can't snap their fingers!
91
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
47% of people have a nightmare at least once a month.
186
Humans blink over 10,000,000 times a year!
97