from the arguements-over-hypothetical-science-ensue dept.
SpaceAdmiral writes "Nature is reporting that Dark energy, the hypothetical energy driving the universe's expansion, may not be as constant as previously thought. According to new research the strength of dark energy may be very different now than it was when the universe was young."
Enzymes are things invented by biologists that explain things which
otherwise require harder thinking.
-- Jerome Lettvin