Minimalist or maximalist? The life of a microbe a mile underground
If you added up all the microbes living deep below Earth's surface, the amount of biomass would outweigh all life within our oceans. But because this abundant life is so difficult to reach, it is widely understudied and incompletely understood. By accessing the deep underground through a former goldmine-turned-lab in South Dakota's Black Hills, Northwestern University researchers have pieced tog