You will experience the billionth second of your life when you are 31 years old.
21
Every human spent about half an hour as a single cell.
144
Males sweat 40% more than females.
104
If you're over 100 years old, there's an 80% chance you're a woman.
143
Children's sense of smell is better than adults'.
860
Identical twins do not have identical fingerprints.
79