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
Scientists have developed a 'hangover-free' beer that has electrolytes, making it more hydrating and refreshing.
4
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
In 2011, two men paraglided from the summit of Mt. Everest, arriving at a village in 42 minutes and avoiding the dangerous conventional 3 day descent.
6
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18