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."
Each honest calling, each walk of life, has its own elite, its own aristocracy
based on excellence of performance. -- James Bryant Conant