Nokia UK commissioned music and physiology "expert" Dr. Harry Witchel to scientifically determine the world's saddest, happiest, and most exhilarating songs. (This shouldn't piss people off.) So, Dr. Smarty Pants, how did you "scientifically" measure sadness? Witchel determined listeners' "'tune trigger quotient,' measuring heart rate, respiratory response and skin temperature to find the saddest, happiest and most exhilarating tracks" (via). ...