A team of Korean researchers have made a membrane that can turn saltwater into freshwater in minutes. The membrane rejected 99.99% of salt over the course of one month of use, providing a promising glimpse of a new tool for mitigating the drinking water crisis.
The most important item in your outdoor wardrobe, hiking boots grant you the ability to traverse challenging terrain, work to keep your entire body comfortable and supported while carrying heavy loads and help regulate temperature and dryness. They’re also a difficult purchase to get right, particularly if you’re buying online. Here’s how to do that.