1 Institute for Genomic and Systems Biology, Argonne National Laboratory, Argonne, Illinois, United States of America, 2 Department of Ecology and Evolution, University of Chicago, Chicago, Illinois, United States of America, 3 Marine Biological Laboratory, Woods Hole, Massachusetts, United States of America, 4 College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, China...

On Earth, the major mechanism for providing vital limiting nutrient phosphorus necessary to fuel biological productivity and long arc of evolution is weathering exposed continental rocks. It has been presumed that life may not be present on exoplanets with substantially more water than Earth. Many these “Water Worlds” exist, but without land mass weathering, there a viable delivery climate stab...