Though A.I. may be taking over the world, rendering the internet all but dead and stealing our jobs, not all technological advances are of the Facebook garbage variety. Over the past odd year, scientists have made several major breakthroughs, ones that will either lead us to the shining future depicted in "the world if" meme ... or send us into an Orwellian dystopia.

From carbon-based margarine that no one can believe is not butter to a tooth-regrowth drug set to keep the Tooth Fairy booked and busy, here are 20 sci-fi tech advances that are hurdling us toward the singularity.