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
The lifespan of a tastebud is ten days.
130
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
A person can live without food for about a month, but only about a week without water.
156
Every time you sneeze some of your brain cells die.
113
You mostly breathe from only one nostril at a time!
75
Your heart rate can rise as much as 30% during a yawn.
69