The world’s oceans are becoming dangerously acidic. A controversial proposal would raise the pH — by mixing chemicals into ...
Although constipation and diarrhea may seem like opposite problems, they both hinge on the same underlying issue: how much ...
The Trump administration has promised vast changes to U.S. science and environmental policy—and we’re tracking them here as they happen. ByNational Geographic Staff In 2017, the arrival of the Trump ...