The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
One human hair can support 3 ounces.
191
On average a woman has 4 sexual partners in her lifetime.
-143
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23