Science is powerful, but it cannot explain everything. Some
residents and visitors in the small city of Taos, New Mexico,
have for years been annoyed and puzzled by a mysterious and
faint low-frequency hum in the desert air. Oddly, only about 2
percent of Taos residents report hearing the sound. Some believe
it is caused by unusual acoustics; others suspect mass hysteria
or some secret, sinister purpose. Whether described as a whir,
hum, or buzz and whether psychological, natural, or supernatural
no one has yet been able to locate the sound's origin. For
decades, large, hairy, manlike beasts called Bigfoot have
occasionally been reported by eyewitnesses across America.
Despite the thousands of Bigfoot that must exist for a breeding
population, not a single body has been found. Not one has been
killed by a hunter, struck dead by a speeding car, or even died
of natural causes. In the absence of hard evidence like teeth or
bones, support comes down to eyewitness sightings and ambiguous
photos and films. Since it