Drink a Book to Purify Your Water

You've probably never thought "maybe I'll drink a book today," but apparently that's just for lack of imagination. Scientists, inventive weirdos that they are, have upended reality once again, creating a book with pull-out, nanoparticle-coated pages that can filter 100 liters of drinking water each--enough to supply a single person's water needs for up to 4 years.