Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
A sneeze can travel as fast as 100 miles per hour.
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The first patented condom was meant to be reused!
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2 out of 3 adults in the United States have hemorrhoids.
7
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
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
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
The lense of the eye continues to grow throughout a person's life.
34