Global Warming Bombshell   A prime piece of evidence linking
human activity to climate change  turns out to be an artifact of
poor mathematics   Richard A. Muller   mirrored from  Technology
Review Online  Technology for Presidents  October 15, 2004
Progress in science is sometimes made by great discoveries. But
science also advances when we learn that something we believed
to be true isn't. When solving a jigsaw puzzle, the solution can
sometimes be stymied by the fact that a wrong piece has been
wedged in a key place.      I talked about this at length in my
December 2003 column. Unfortunately, discussion of this plot has
been so polluted by political and activist frenzy that it is
hard to dig into it to reach the science. My earlier column was
largely a plea to let science proceed unmolested. Unfortunately,
the very importance of the issue has made careful science
difficult to pursue.         That discovery hit me like a
bombshell, and I suspect it is having the same effect on many
others. Suddenly the h