Your fingernails grow faster in summer.
744
By weight, Bone is five times stronger than steel.
417
Tigers can see 6 times better at night than humans.
305
Babies crawl an average of 200m a day.
212
Enamel is hardest substance in the human body.
61
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
If your DNA was stretched out it would reach to the moon 6,000 times.
256