Thanks for a good, concise article on evolution (R. Moss, "The Problem With Evolution: Where Have We Gone Wrong?", The Scientist, Oct. 13, 1997, page 7). Moss is absolutely right-the problem is not the religious nuts, but the timidity and lack of interest of most science teachers, especially in high school.

I'm a physician in Mississippi, and I've debated some creationists. I always say that we don't know how life got started but that we have overwhelming evidence that it changes just as Moss says-not only from DNA sequences, which are the single most powerful and readily understood strand of evidence, but also from measurable changes in bacterial sensitivity to new antibiotics, which has been shown to reverse if the antibiotics are put on much lesser use for a few years.

Bob Snodgrass
University of Mississippi Medical Center
Jackson, Miss. 39216

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