Dr Baker's results therefore support the previously untested hypothesis that not only do cells which are at the Hayflick limit stop working well themselves.

因此这一结果证实了早先未被验证的推测，即，达到海弗利克极限的细胞不仅自身的不再正常运作。

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The similarity hypothesis may explain how biodiversity loss influences variability in biomass of plant communities but remains untested.

相似性假说通过物种构成的相似性来解释物种丧失是如何影响生物量的变异性的，但还没有得到检验。

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Dr Baker's results therefore support the previously untested hypothesis that not only do cells which are at the Hayflick limit stop working well themselves, they also have malign effects (presumably through chemicals they secrete) on their otherwise healthy neighbours.

ECONOMIST: A way to counteract part of the process of growing old