Lately, however, twin studies have helped lead scientists to a radical new conclusion: that nature and nurture are not the only elemental forces at work.

然而，近日的双胞胎研究帮助科学家们得出了一个全新的结论：先天和后天因素不是唯一起作用的因素。

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The forest environment processed and redistributed the lead faster than the scientists had expected.

森林环境处理和重新分配铅元素的速度比科学家预期的要快。

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In a study published in the journal Ambio, scientists found that lead levels in soil in the North-eastern United States had decreased markedly since the introduction of unleaded gasoline.

在《人类环境杂志》上发表的一项研究称，科学家们发现，自引进无铅汽油以来，美国东北部土壤中的铅含量已经显著下降。

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Today we report about two scientists, J.Robert Oppenheimer and Enrico Fermi, who helped lead the world into the nuclear age.

VOA: special.2009.06.14

This,scientists believe, could lead to better earthquake predictions.

VOA: special.2009.07.07

Scientists warn climate change will lead to rising sea levels, more devastating floods and hurricanes, longer lasting droughts and other extreme weather phenomena.

VOA: standard.2009.08.31

Understanding their biology may lead scientists to tap new energy sources and make novel drugs.

BBC: NEWS | Science/Nature | Antarctica's resources 'at risk'

Could the lowly proboscis someday lead scientists to create chemicals that might keep anger and violence under control?

FORBES: Magazine Article

Instead of peppering Watson with questions, I spoke with IBM researcher Eric Brown, one of the lead scientists on the project.

FORBES: I Stumped Watson: And 7 Other Essential Bits About The Jeopardy! Challenger