The NEW Canadian currency is not cold, hard cash.
Supposedly, the new Canadian currency has been rigorously tested to withstand temperatures to 140 degrees, but the recent intense heat waves and the strong solar flares we've had (the X-class solar flare from this past Thursday was likely not even a consideration at the time of this) have likely modified the atmosheric environment so much that air quality is different (and solar flares are also speculated to have biological and emotional affects....attitude and such).
http://www.accuweather.com/en/weather-news/canadas-new-currency-melts-in/68003
.....(the recent X-class solar flare has also been reported on AOL news, I don't know if it has been in the mainstream media).......
http://sherriequestioningall.blogspot.com/2012/07/x-solar-flarecme-to-hit-ear...
It was released FROM THE SUN on Thursday, it impacted the magnetic shroud around the earth NEXT DAY and impacted the EARTH over the weekend (and it will "linger" for days...at least).
Over time, it will cause worse effects (radio,
Cell Phone , GPS, and power grid are expected to suffer consequences....and for extended periods).....and also the NEW Canadian currency will MELT.
You can monitor the the X-class flare at....
http://www.solarham.net/
....where it says "Daily Reports", click on "Latest Alerts".