J.K. Rowling lost her billionaire status because she donated so much of her money to charity.
27
The first foreigner to become a samurai was an African slave.
26
Passengers on the Beijing subway can pay with plastic bottles.
29
Sweden is so good at recycling, it has run out of garbage and now must import garbage from Norway to fuel its energy programs.
20
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