Why did multicellularity come up? Fixing that thriller might assist pinpoint life on different planets and clarify the huge variety and complexity seen on Earth at present, from sea sponges to redwoods to human society. A brand new article reveals how particular bodily situations — particularly ocean viscosity and useful resource deprivation — in the course of the world glaciation interval referred to as Snowball Earth might have pushed eukaryotes to show multicellular.