This hunk of aluminum has been carbon dated to prove that it's 250,000-years-old. It was also found near two large bones belonged to a large extinct mammal that died 10,000-80,000 years ago. You bet your sweet ass I think it's from a UFO.
The choice was met by gasps and a long round of applause from journalists attending the prize announcement. The folk singer has been mentioned in Nobel speculation in past years, but was never seen as a serious contender.