Human beings used stone chips for more than two million years, but human life changed very little in that time.

人类使用石屑超过二百万年，但在那段时间里，人类的生活几乎没有改变。

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The development of industry has been a gradual process throughout human existence, from stone tools to modern technology.

从石器工具演进到现代技术，工业的发展是一个贯穿人类生存的渐进过程。

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A self-described "Jeffersonian Marxist," Stone combined progressive politics, investigative zeal and a compulsion to tell the truth with a commitment to human rights and the exposure of injustice.

斯通自称是“杰斐逊马克思主义者”，他把进步的政治、调查的热情、说出真相的冲动与对人权和揭露不公正的承诺结合在一起。

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Wellcome Trust Sanger Institute director Prof Mike Stratton said the results were "remarkable" and would "stand as a foundation stone for human biology for many years".

BBC: Detailed map of genome function

In London, musician and activist Peter Gabriel spoke about water as a human right before British singer Joss Stone performed.

BBC: 'Space clown' hosts global show

The absolute limits of non-enhanced human athletic performance may well be set in stone.

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