0: is it a number? Is it a concept?
1: re-cycling option at Munich airport: "place in this bin and we will sort and re-cycle for you". Cool.
2: eyes looked deep into his soul. He could no longer resist her...
3: coins in the fountain according to Frank Sinatra.
4: seasons: spring; summer; autumn/fall; winter. It's a business life cycle, too.
5: great routes to CV activity: walk, swim, jog, skip, tennis.
6: carbon atoms in the sugar molecule. Beautiful design, sneakily addictive.
7: 'till 11. I'll pop down for some milk. Sure, but do walk.
More here.