Fingernails grow nearly 4 times faster than toenails.
31
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
Most lipstick contains fish scales.
37
Enamel is hardest substance in the human body.
61
It takes approximately 12 hours for food to entirely digest.
93
Your ribs move about 5 million times a year, every time you breathe!
60
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
56
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