You will experience the billionth second of your life when you are 31 years old.
21
More than half the population of Kenya is under the age of 15.
71
Babies cry but they don't produce tears until one to three months after birth.
238
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
More boys than girls are born during the day; more girls are born at night.
120
Every human spent about half an hour as a single cell.
144
About 3000 years ago, most Egyptians died by the time they were 30!
18
Women end up digesting most of the lipstick they apply.
110