...." It appears that as gravity lost its grip on the universe to dark energy
and the universe has expanded, the bonds between electrons and protons have
gotten stronger. "...

...." What's more, the pair's findings may have profound implications for
uncovering violations of the equivalence principle -- a cornerstone of
Einstein's general theory of relativity. "
http://www.astronomy.com/Content/Dyn...1/582xakvj.asp

[Mod. note: Windows character set nastiness removed -- mjh]