The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
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
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
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.
22
There are about 1,400 different species of bacteria in your belly button.
10
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
In 1996, research found that having excessive body hair is linked to higher intelligence.
23