Sex burns about 360 calories per hour.
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Our brains have a negativity bias and will remember bad memories more than good ones.
15
Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
28
Most dreams last only 5 to 20 minutes.
79
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
The smallest human penis ever recorded was just 5/8 of an inch long!
77
The human body contains over a billion miles of DNA.
147