Chuck Sherpherd's column "News of the Weird" is a wonderful source of human oddities and the world's weirdness, for example this (copied directly): "Walker Harnden, 19, a sophomore at the University of North Carolina School of the Arts, was recognized in April for a Guiness Book record for the highest note ever whistled (B7). Mr. Harnden, who told the Raleigh [NC] News and Observer that he has 'irritated his parents and friends for years', admits that he whistles 'all the time'--up to four or five hours a day."
Here duplicating the record: