Scientists think it took 3.5 billion years for us to evolve from single-celled organisms into our present state. If true, this means we are still mutating and evolving today. And we could, potentially, evolve in any direction. Maybe we’ll develop flight? Or transparency!  But what if some of our older genes re-emerged? Could we devolve into something closer to the ape-like form of every primate’s common ancestor? 

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