Next, researchers hope to see if kids' sleep problems associated with marriage instability last after age 2.

接下来，研究人员想知道，由婚姻不稳定引起的孩子睡眠问题在孩子2岁以后是否依然存在。

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The length of telomeres gradually decreases with increasing age and cell division number, which can lead to chromosome instability, so the changes in telomere length are closely linked to cell aging.

端粒的长度随着年龄和细胞分裂次数的增加而逐渐变短，因而导致染色体不稳定，因此端粒长度的变化与细胞衰老密切相关。

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Results The donors with older age, hemodynamic instability, long stay in the intensive care unit and fatty liver are significantly clinical marginal liver donors.

结果高龄供体、缺血时限较长供体、脑死亡供体和脂肪肝供体是几种临床意义较大的边缘供肝。

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But at the same time, there is a lot of instability below the surface, where different age groups are grinding against one another like shifting tectonic plates.

ECONOMIST: The digressions of people power