The water in our oceans, lakes and rivers can become polluted with a variety of contaminants, creating a need for a simple and cheap cleaning method. One team of researchers is designing magnetic ...
On the banks of Nagdaha, a polluted and lotus-infested lake in Nepal, Soni Pradhanang is putting trash back into the water—on purpose. She carefully assembles a platform of styrofoam and bamboo mats, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results