A human study has found strong links between BPA levels and semen quality, and the findings are not looking good.

现在，一项人类研究发现了双酚A含量和男性精子质量之间有密切关联，结果并不乐观。

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As the human study suggests, another reason for dolphins keeping their eyes open during sleep is that they can look out for predators while asleep.

正如人类研究表明的那样，海豚在睡觉时睁着眼睛的另一个原因是，它们可以在睡觉时留意捕食者。

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The human study was done by Yuzo Ninomiya, a neuroscientist at Kyushu University, in Japan.

在人体上的研究由日本九州大学神经系统科学家Yuzo Ninomiya等人完成。

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Professor Bartemeus says the study shows how human activities in the natural environment can change the travels of other organisms.

VOA: special.2010.03.02

And what this is going to be is a comprehensive introduction to the study of the human mind.

本课程旨在让大家,在宏观上对人类心智研究形成基本的认识

耶鲁公开课 - 心理学导论课程节选

Can you imagine a study of relationships throughout human history ? that focuses on the average?

你能想象,对整个人类历史上的恋爱关系进行研究,并求平均值吗？

哈佛公开课 - 幸福课课程节选

The American Tradition Institute (ATI) which filed the law suit against EPA and its administrator asserts that such practices are not only illegal, but run afoul of virtually every rule of ethical standard established since World War II and the Tuskegee syphilis experiments to protect human study subjects from rogue scientific research.

FORBES: EPA Charged With Lethal Experiments On Hundreds Of Unsuspecting Subjects

It is also involved in the International HapMap Project, a five-country initiative launched in October, to follow up the Human Genome Project with a large-scale study of human genetic variation and its relation to disease.

ECONOMIST: Chinese biotechnology

Scientists are ready to publish the fruit fly genome, which will help them study human disease.

BBC: Into a new millennium of science