The human sigh acts as a physiological reset button.
23
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
There are about 255 babies born worldwide every minute.
46
On average, there's 100 billion neurons in the human brain.
83
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
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