The evolution of flight in insects has seen them take to the skies at incredible sizes and speeds – we’re looking at you, Megaloptera (appropriately enough meaning “large wing”). Flying requires creating lift and for that, you need molecules in the air, something that gets less concentrated the higher up you go. It got us wondering, what’s the highest an insect can fly? The answer is split into two: the highest we’ve found a flying insect, and the highest we’ve proven an insect could theoretically fly. After all, just because a bee doesn’t want to summit Everest doesn’t mean it couldn’t. The G…