If you are bitten by a poisonous snake, and fail to receive medical attention, you still have a 50% chance of survival.
28
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
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
The average person's skin weighs twice as much as their brain.
131
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15