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
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Human hair and fingernails continue to grow after death.
7
Your heart will pump about 212 million liters in its lifetime.
26
A human being loses an average of 40 to 100 strands of hair a day.
133
Poor eyesight (myopia) is associated with higher IQ.
232
The average person's skin weighs twice as much as their brain.
131
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13