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. The genetic toolkit that animals use to build fins and limbs is the same genetic toolkit that controls the development of part of the gill skeleton in sharks, according to research to be published in Proceedings of the National Academy of Sciences on March 23, 2009, by Andrew Gillis and Neil Shubin of the University of Chicago, and Randall Dahn of Mount Desert Island Biological Laboratory. http://www.physorg.com/news157048100.html Biology Mon, 23 Mar 2009 17:29:11 EST news157048100 (PhysOrg.com) -- Lumbar disc degeneration is an uncomfortable condition that affects millions of people, but two University of Alberta researchers have identified some of the genes that are causing problems. http://www.physorg.com/news156008413.html Medicine & Health Wed, 11 Mar 2009 16:41:17 EST news156008413 Inbreeding can unexpectedly extend male lifespan. Insect experiments described in the open access journal BMC Evolutionary Biology have shown that, in seed beetles, inbreeding causes males to live longer, while shortening female lifespan. http://www.physorg.com/news153147399.html Biology Fri, 06 Feb 2009 12:57:37 EST news153147399