The first blue-eyed person is said to have lived 6,000-10,000 years ago.

The first blue-eyed person is said to have lived 6,000-10,000 years ago

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Eyes are the second most complex organ after the brain

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Our eyes close automatically to protect us from perceived dangers

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A newborn baby will cry, but not produce any tears. Babies do not

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Your bones actually consist of 50% water

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Brown eyes are blue eyes underneath. Consequently, a person can receive

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The human eye weights approximately just under an ounce and is about an