The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
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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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Scientists in Germany have developed a candy that doesn't cause cavities.
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The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
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