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
Within three days of death, the enzymes that once digested your food begin to eat you.
22
One quarter of the bones in your body are in your feet!
36
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
The average human body contains enough fat to make seven bars of soap.
45
Flu shots only work about 70% of the time.
18