How can the Tibetan antelope live at elevations of 4,000-5,000m on the Qinghai-Tibetan Plateau? Investigators now provide evidence of genetic factors that may be associated with the species' adaption to harsh highland environments.<img src="http://feeds.feedburner.com/~r/sciencedaily/~4/aCPP7_n7RkE" height="1" width="1"/>
