The part of the brain associated with math was 15% larger than average in Albert Einstein.
Stomach acid is strong enough to dissolve metal nails.
Man is the only mammal that willingly delays sleep.
It is impossible to hum if your nose is plugged.
The average tastebud lives only 10 days before it dies and is replaced by a new one.
People that suffer from gum disease are twice as likely to have a stroke or heart attack.
Your lungs are the only organ in your body that can float! They are spongy and lighter than water because of all the air-filled sacs in them.
If the normal one hundred thousand hairs on a head were woven into a rope, it could support a weight of more than twelve tons.
Your eyes can see 7 to 10 million different colors.
On average, women say 7,000 words per day while men manage just over 2,000 words.
An American who lives to the average expected age of 78 will spend about six and a half years of it dreaming.
Human thigh bones are stronger than concrete.
Every human has a unique smell shared by no other human being.
If you go blind in one eye, you will lose only about 1/5 of your vision, but all of your depth perception.
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