What Would Really Happen If Thanos Erased Half Of All Life On Earth? Share Illustration: Benjamin Currie (Gizmodo) Unless you’ve been hiding under a rock for the past few years, you’ll know that the end of Avengers: Infinity War was a rather bleak affair. To recap: Thanos managed to gather all of the Infinity Stones, complete the gilded gauntlet of doom, and snap his fingers, wiping out half of all life in the universe as he did so. But while you might think this indiscriminate erasure would trigger an ecological catastrophe, after consulting with scientists who have been wondering the same thing, it turns out that life is surprisingly resilient to the Mad Titan’s plans.