Japan has a way of thinking that is just. different. Nowhere is this more apparent than in Tokyo-born journalist Lisa Katayama's collection of urawaza (a Japanese word for secret lifestyle tricks and techniques). Want to turbocharge your sled? Spray the bottom with nonstick cooking spray. Can't find someone to water your plants while you're away? Place the plant on a water-soaked diaper, so it slowly absorbs water over time. The subject of popular TV shows and numerous books in Japan, these unu