Color signaling has long provided us with visual clues about what to eat and what not to eat. Food dressed in fuzzy black and blue mold? No, thank you. Red meat fading to dull brown? Merely a case of ...
But people are buying books. Up to 700 million of ’em a year. Readers spend roughly $9.1 billion on books in the U.S. annually. About 65% of adults in the U.S. have read a physical book in the last 12 ...