Conflicting Clinical Guidelines
Who’s right? Who’s wrong? Clinical guidelines for cancer treatment often give conflicting advise. This article investigates.
health
Quicksilver and Gold: Mercury Pollution from Artisanal and Small-Scale Gold Mining
For centuries miners have used mercury to trap particles of precious metals. Artisanal and small-scale gold miners used an estimated 1,400 metric tons of mercury in 2011. About one-third of the mercury used is believed to go into the air while the rest goes into soils and waterways.
