Although it takes slightly more of it to buy a hardback book, for many people the Canadian dollar has value. So it's a bit of a problem that some of Canada's money has reportedly started melting in the summer heat.

Our doom shall come by fire rather than by ice: last month was the hottest April on record, ever. The average global temperature was a balmy 58.1 degrees, 1.37 degrees above average. But...but what about Dr. Drudge's scientific reassurances? [NOAA]