Most of us know that contaminated water can spread diseases and a new project aims to provide water filters in the form of an educational book. From the outside, “The Drinkable Book” looks like a normal book, about an inch or two thick, with 20 pages. But these pages do a lot more than convey information; each page also serves as a water filter, a valuable tool for preventing waterborne illness. The pages contain silver nanoparticles, which can rid the water of harmful microbes, but has very little effect on humans. To use the book, you rip one of the pages in half, slide it into the filter box (which doubles as a cover for the book) and pour contaminated water through. After a few minutes, bacteria are reduced by 99.9 percent. To learn more, click here.