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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以色列雷霍沃特一主要街道，相较于平常的车水马龙，这两日冷清许多。受访者供图

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Hannah is not the only person in Love Story's orbit to criticize the show's depiction of real-life events. Jack Schlossberg, son of Caroline Kennedy (played by Grace Gummer in the show) and nephew of JFK Jr., has also spoken up.

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