Identical twins do not have identical fingerprints.
79
You forget 90% of your dreams.
256
Yawns are more contagious among people with closer relationships.
163
In a lifetime, an average person walks the equivalent of 5 equators
177
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
You will experience the billionth second of your life when you are 31 years old.
21