In 2015, University of Florida scientists poured 5 gallons of red Rhodamine dye into Silver River’s main spring vent to track how water moved as the clear spring run turned more algae-green
More than 10 million dead trees are standing like tombstones along America’s Atlantic coast — scientists mapped vast “ghost forests” where seawater is creeping inland and turning living woodland into salt marsh
Scientists mapped beneath Utah’s Great Salt Lake and found a potentially vast reservoir of freshwater hiding under one of America’s saltiest lakes — in places, it extends more than three kilometres underground