The march of old age may be unstoppable, but two new studies in mice and monkeys suggest we can at least tinker with the ageing process - and offer a glimpse at how anti-ageing medications could work.

晚年前进的步伐可能无法阻挡，但在老鼠和猴子的两个新的研究中，表明我们可以至少略微的阻挡年老的进程——让我们看看抗衰老药物如何起作用。

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He will keep the famous Swedish model, but tinker a little at the edges.

他会维持著名的瑞典模式，只对其边缘部分略加修改。

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For his part, Mr McCarthy continued to tinker away at a truly thinking machine at Stanford.

至于麦卡锡，他继续在斯坦福研究真正可以思考的机器。

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However, the UK chancellor can only really hope to tinker at the margins of the deal, BBC Brussels correspondent Chris Morris says.

BBC: Osborne stands alone as EU backs bonus cap

The National Pensioners Convention said the proposals "simply tinker at the edges" and that a cap "will help just 10% of those needing care, whilst the majority will be left to struggle on with a third-rate service".

BBC: UK Politics

He does not want to tinker, at the Greens' behest, with his already fragile coalition.

ECONOMIST: Daniel Cohn-Bendit, Europe��s provocative Green