Carol Ezzell's cover story, "Hope in a Vial" explores whether we are getting any closer to developing an AIDS vaccine. Also in this issue of Audible Scientific American
for June 2002: scientists are closer to understanding how galaxies get their shape, searching for the perfect cup of espresso; and W. Wyat Gibbs points the way away from the mouse in his article, "Whatever You Say."
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©2002 Scientific American