There's a café in France which charges €7 for a coffee to rude customers and €1.40 to people who talk politely to staff.
17
The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14
Passengers on the Beijing subway can pay with plastic bottles.
29
After coming across a "very sweet" homeless man from Jamaica named Michael on a night out, Londoner Jenny Baker took to Twitter, and within hours, using the hashtag #getmichaelhome, had raised thousands of pounds so that he could return home to Jamaica where he said he would be "happy again".
19
In Montreal, there's a bus stop with swings that play musical notes when you swing on them.
20
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39