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According to a new report published in the Proceedings of the National Academy of Sciences, human development and habitat loss are not the main contributor to the population decline of many amphibian species. In actuality, that human encroachment on natural habitat many actually be saving some of them.

Scientists say they're close to producing new "super varieties" of wheat that will resist a virulent fungus while boosting yields up to 15 percent, potentially easing a deadly threat to the world's food supply.