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.

2026年1月22日 · 马琳 · 来源：tutorial资讯

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Should companies do one big round of layoffs or smaller cuts?。PDF资料对此有专业解读

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