Bearing a male child can alter a woman's brain by leaving male DNA that can persist for the rest of her life, making her less likely to suffer from Alzheimer's disease, promote tissue repair, and improve her immune system.
16
You mostly breathe from only one nostril at a time!
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By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
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Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
Fingernails grow nearly 4 times faster than toenails.
31
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
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