http://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Whites would lose their majority in the U.S. three years later than expected if immigration growth slows, according to census estimates released Wednesday. http://phys.org/news287854368.html Other Sciences Wed, 15 May 2013 16:33:01 EST news287854368 Americans are getting married at ever-older ages, and a new report says this trend may be partly responsible for the shrinking of the middle class. http://phys.org/news282592161.html Other Sciences Fri, 15 Mar 2013 20:50:01 EST news282592161 Reaching adulthood certainly takes longer than it did a generation ago, but new research shows one way that parents are contributing to the delay. http://phys.org/news273331440.html Other Sciences Wed, 28 Nov 2012 13:24:15 EST news273331440 A study published this week in the American Journal of Sociology finds that people who lack personal wealth in the form of a car or financial assets are significantly less likely to enter into a first marriage. The results, according to study author Daniel Schneider of Princeton University, shed light on recent changes in marriage patterns in the U.S. http://phys.org/news237138749.html Other Sciences Thu, 06 Oct 2011 16:52:35 EST news237138749 (AP) -- It's starting to get crowded in the 100-year-olds' club. Once virtually nonexistent, the world's population of centenarians is projected to reach nearly 6 million by midcentury. That's pushing the median age toward 50 in many developed nations and challenging views of what it means to be old and middle-age. http://phys.org/news167236907.html Medicine & Health Sun, 19 Jul 2009 15:42:49 EST news167236907