It has been scientifically proven that stroking a cat can lower one's blood pressure!
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On average, there's 100 billion neurons in the human brain.
83
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
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For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
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