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Back-breeding has an advantage over cloning in that it creates a whole population, rather than just an individual animal. Last year, Spanish scientists used cloning to successfully recreate an ibex that disappeared in 2000, and in Poland another group is trying to clone the aurochs using DNA from bone and teeth samples. But for a species to survive once it's brought back to life, it must have enough genetic variability to reproduce. "A population needs to be adaptive," says Johan van Arendonk, a professor of animal-breeding and genetics at Wageningen University in the Netherlands, adding that...
Kristie Rutzel was in high school when she began adhering precisely to the government food pyramids. As the Virginia native learned more about healthy eating, she stopped ingesting anything processed, then restricted herself to whole foods and eventually to 100% organic. By college, the 5-ft. 4-in. communications major was on a strict raw-foods diet, eating little else besides uncooked broccoli and cauliflower and tipping the scales at just 68 lb. Rutzel, now 27, has a name for her eating disorder: orthorexia, a controversial diagnosis characterized by an obsession with avoiding foods perceived to be unhealthy...
Graduate student Charles G. Willis, one of the study’s researchers, emphasized that the findings in Concord are just “one data point in the whole scheme of things,” but that to expand the research to other regions may prove challenging...
...contest is sponsored by, among others, a whiskey distiller, a telecommunications giant and a private-equity fund - enterprises that, on the surface, have little to do with either water or sports. Clark has since broken with the contest organizers, explaining to TIME, "I don't want to lose the whole reason why we surf. It's not for the paycheck. It's a way of life...
...public. "We are determined not to rest until we know where Gao is and whether he's dead or alive," says Bob Fu, a U.S.-based Chinese Christian activist who helped Gao's family escape. "He's a symbol of China's conscience, of the weak and vulnerable. The whole world should hold the Chinese government accountable for his disappearance...