http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. (PhysOrg.com) -- After years of biting and chewing, how are human teeth able to remain intact and functional? A team of researchers from The George Washington University and other international scholars have discovered several features in enamel--the outermost tooth tissue--that contribute to the resiliency of human teeth. http://www.physorg.com/news159197196.html Medicine & Health Fri, 17 Apr 2009 14:27:02 EST news159197196 New research shows that human teeth lost some enamel hardness after the application of several different products used in the home to whiten teeth. The study suggests that future generations of such products might be reformulated in an effort to reduce these side effects. http://www.physorg.com/news158928022.html Medicine & Health Tue, 14 Apr 2009 11:41:13 EST news158928022 Starch grains preserved on human teeth reveal that ancient Peruvians ate a variety of cultivated crops including squash, beans, peanuts and the fruit of cultivated pacay trees. http://www.physorg.com/news147374126.html Other Sciences Mon, 01 Dec 2008 17:15:26 EST news147374126