The average sperm cell swims at 8 inches per hour.
4
Your heart rate can rise as much as 30% during a yawn.
69
The first patented condom was meant to be reused!
47
Those who get out of bed by 7am are more likely to be thinner and happier.
19
Within three days of death, the enzymes that once digested your food begin to eat you.
22
By weight, Bone is five times stronger than steel.
417
A sneeze can travel as fast as 100 miles per hour.
43