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Shifting constant could shake laws of nature

news@nature.com April 27, 2006

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A series of experiments suggests
that over the past 12 billion years,
the ratio of the mass of a proton to
that of an electron may have
decreased. Various versions of
string theory suggest that extra
dimensions occupied by a particle
might affect properties such as its
mass. Subtle changes in these
dimensions could make physical
constants vary...

http://www.kurzweilai.net/email/newsRedirect.html?newsID=5515&m=7610

Universe in Flux: Constant of nature might have changed

Researchers have found signs that one of the constants of nature has undergone a
subtle shift since the universe's infancy.

http://www.sciencenews.org/articles/20060429/fob1.asp