Unlike humans, some birds have independently evolved to flourish on sugar-rich nectar &fruit without ill effect. In a new Science study, researchers find that these bird species share convergent evolutionary changes in key physiological traits and metabolic genes that enable their high-sugar diets.

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В России изменились программы в автошколах22:30

Iran says it has targeted Kurdish groups in Iraq and warned “separatist groups” against action in the widening war.

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First FT: the day’s biggest stories。PDF资料是该领域的重要参考

best to remember:

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