Five years ago, Yuki Tatsumi started a curious quest to collect the origami figures made from chopstick sleeves that are regularly left behind by restaurant customers all across Japan. A fascinating ...

Fast-food outlets should consider doing away with wrappers for chopsticks, dispensing sugar from common containers instead of individual packets and other ways to cut down on disposable waste, a ...

In Japan, tipping waiters with money is not at all common. But one man thinks that Japanese diners may have come up with another way to show their appreciation: origami. When Yuki Tatsumi was working ...