Good tip if you ever need to fend off a mountain lion!
Oh my! A lady was face to face with a mountain lion and she sung opera at it to keep it from attacking her! Huh, who would have thought to do that? I certainly wouldn't have thought to use my vocal pipes as a weapon against attacks from wild animals. I'll keep this in mind should I ever be in a similar situation. Read the story: http://www.huffingtonpost.com/2014/08/20/hiker-mountain-lion-opera_n_5695886.html