事实上，来自佛罗里达州和内布拉斯加州的大学的一支研究团队称，他们已经找到地球变暖和哺乳动物个头之间的联系。这一案例中马变矮的现象是上一次全球变暖时发生的。

In fact, a team from the universities of Florida and Nebraska says it has found a link between the Earth heating up and the size of mammals — horses, in this case, the last time the world heated up.

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事实上，来自佛罗里达州和内布拉斯加州的大学的一支研究团队称，他们已经找到地球变暖和哺乳动物个头之间的联系。这一案例中马变矮的现象是上一次全球变暖时发生的。

In fact, a team from the universities of Florida and Nebraska says it has found a link between the Earth heating up and the size of mammals - horses, in this case, the last time the world heated up.

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美国内布拉斯加州大学医学中心的最新研究表明，这些惊人数量的咖啡因的摄入量与睡眠问题不无联系。

So much so that the total intake of caffeine appears to be related to sleep problems, according to a new study by the University of Nebraska Medical Center.

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