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
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
On average, there's 100 billion neurons in the human brain.
83
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89