Only about 2% of the world population has green eyes.
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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14