Current understanding of matter in the universe suggests that the universe must consist of dark energy and dark matter to explain the current rate of expansion. (sciencedaily.com)
It was also the latest indication that economic growth moderated at the start of the year after a 2.5 percent rate of expansion in the fourth quarter. (cnbc.com)
Not surprisingly, today's exhibits are moving through a dramatic rate of expansion. (canadianbusiness.com)