Science Daily·3 min read·medium
Scientists trace the shocking origin of human eyes to an ancient “cyclops”
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New research suggests that the earliest vertebrate ancestors possessed a single, central 'cyclops' eye before evolving into the paired-eye systems seen today. Scientists believe this ancient visual system may have evolved into the modern pineal gland, which regulates sleep in humans.
Humans and every other vertebrate may share an astonishingly strange ancestor: a tiny creature with a single eye centered on the top of its head.
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