The human sigh acts as a physiological reset button.
23
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
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The human brain doesn't stop developing until about 25 years old.
102
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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