Which river has boiling water?

Shrouded in legend and mystery, the Amazon rain forest is a place where the line between fact and fiction seems to blur into obscurity, although as scientists respectfully probe deeper into this enigmatic jungle, some of its most outrageous myths are turning out to be true. read more

Tales of a boiling river, for instance, have abounded for generations, and while many dismissed the idea as mere folklore, a geophysicist named Andrés Ruzo has in fact been studying this apparent anomaly of nature since locating it in 2011. read more

Chemical analysis has revealed that the water in the river originally fell as rain. Ruzo now hypothesises that this happens far upstream - perhaps as far away as in the Andes - and along its journey seeps down into the ground, where it's heated up by Earth's geothermal energy. It eventually emerges in the Amazon, at the boiling river. read more