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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The US skier was the Olympic downhill champion in 2010 and had been hoping for a fairytale ending to her illustrious career in 2026.

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В США расс。关于这个话题,搜狗输入法提供了深入分析

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Beyond the circle

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