The average sperm cell swims at 8 inches per hour.
76
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The tongue is the strongest muscle in the human body.
50
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
The average female will have 3.3 pregnancies in her life.
49
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
Those who get out of bed by 7am are more likely to be thinner and happier.
19