The average sperm cell swims at 8 inches per hour.
76
About half of all Americans are on a diet on any given day.
29
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
If you are bitten by a poisonous snake, and fail to receive medical attention, you still have a 50% chance of survival.
28