All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
You can alleviate a tickly throat by scratching your ear.
9
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
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
A man once sued his doctor because he survived his cancer longer than the doctor predicted.
74
Ernest Hemingway survived through anthrax, malaria, pneumonia, dysentery, skin cancer, hepatitis, anemia, diabetes, high blood pressure, two plane crashes, a ruptured kidney, a ruptured spleen, a ruptured liver, a crushed vertebra, a fractured skull, and more.
67
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36