"The most costly of all follies is to believe passionately in the palpably not true. It is the chief occupation of mankind." - H. L. Mencken. "One of the common failings among honorable people is a failure to appreciate how thoroughly dishonorable some other people can be, and how dangerous it is to trust them." - Thomas Sowell. - Join search for truth learn to recognize it when you encounter it. See also enoughroomvideo.blogspot.com youtube.com/user/roybercaw [Editor: Roy Bercaw]
January 31, 2011
Ears Hear
The human ear is most sensitive to frequencies of 1000-4000 hertz, though young ears can hear 20-20,000 hertz. - Provided by Reference.com
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