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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Consensus Weight

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他亦負責在空襲前，就「史詩狂怒行動」（Operation Epic Fury）向國會八名最高級別領袖簡報。

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文化回流背后的出海新逻辑

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The BBC's John Donnison was reporting live from Jerusalem when emergency alerts sounded from his phone.