An Extra Cheap Way To Get Salt Out Of Water Could Help Make The World Less Thirsty
Desalination is usually a hugely expensive and environmentally costly process, but this simple clay still just needs a little sunlight to render brackish water clean and delicious.
Public Health is the science of protecting and improving the health of communities through education, promotion of healthy lifestyles, and research for disease and injury prevention.
(What is Public Health? Association of Schools of Public Health )