The Particle Physics and Astronomy Research Council Web site referred to in Friday’s science pages, January 9, carries an interactive tour of the inner workings of the atom and not the ear as stated. The PPARC address is: http:hepweb.rl.ac.ukppUK
If you really want a thorough look at the ear, go to: http:168.28.242.123halyardeyearsld025.htm
