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.
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There is a fruit called The Miracle Berry that, when eaten, causes sour foods to taste sweet, and has been used to treat diabetes, among other things.
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There's a woman named Veronica Seider who had vision 20x better than average. She could identify people more than a mile (1.6km) away.
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India's richest person, Mukesh Ambani, built a $1 billion home. It has 27 habitable floors, including six parking floors with a capacity to hold up to 168 cars. 600 staff maintain the home.
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The Prince Charle Cinema in London has volunteer "ninjas" that hush obnoxious moviegoers.
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