Glaciers are awe-inspiring, slow-moving rivers of ice powerful enough to reshape Earth—but for certain wee creatures, they’re also home. New research has identified more than 150 different species that live on glaciers, with nearly half of these animals having only ever been reported at glacial sites. And these are true animals, not single-celled microbes. Even more intriguingly, these critters seem to show patterns in where they’re found, with different types of species turning up in specific..