芭芭拉·弗雷德里克森是研究积极情绪重要性的国际领先权威，她说，人类的基因决定了寻求积极情绪，比如爱和快乐。
Barbara Frederickson, a leading international authority on the importance of positive emotions, says humans are genetically programmed to seek positive emotions such as love and joy.
在人类身上做的研究都是观测性的。结果表明，使用手机与癌症有一定联系，但不是因果关系。
The human studies all are observational, showing only an association between cellphone use and cancer, not a causal relationship.
此外，研究还揭示了人类警惕着失去食物及其它财产的可能性这一特点是逐渐演化而来的。
It also suggests that humans evolved to be cautious about the prospects of losing food or other valued possessions.
该研究表明人类造句的能力可能基于过程性记忆，这个记忆系统与让狗记住“坐”这个命令的过程一样简单。
A recent study suggests that our ability to construct sentences may arise from procedural memory-the same simple memory system that lets our dogs learn to sit on command.
令人惊奇的是，Nickerson和他的团队研究发现低流体剪切力的环境与特定人类病原体的致病能力之间存在着一定的相关性。
Intriguingly, experimental research carried out by Nickerson and her team has implicated low-fluid shear environments in regulating the infectious disease potential of certain human pathogens.
根据一项新研究，沿地壳构造板块边缘的地震带远比缺乏活动的地带更可能产生伟大的远古文明，研究者称这种联系说明通常被视为破坏性的地质能量，比如地震，在人类历史中或许也起过建设性作用。
Researchers say the relationship suggests that forces typically viewed as destructive--such as earthquakes--might have also played a constructive role in human history.
这是人类第一次探索有关饮酒是否会减轻风湿性关节炎病症的研究，它的结果具有广泛前景。
This is the first study in humans to explore whether drinking alcohol might lessen the severity of RA, and its results are promising.
正在进行几项研究以确定对动物进行的一些研究结果是否与人类癌症具有任何相关性。
Several studies are under way to determine whether the results of some studies on animals have any relevance to cancer in human beings.
当把我们远古的祖先考虑在内的时候，“人类的耐久性跑步已经有上百万年的历史了”，研究着在他们的报告中写到。
When taking into account our ancient ancestors, "humans have engaged in endurance running for millions of years," the researchers wrote in their study.
因为那可能是普通的感冒，也可能是因为科学家研究出问题而引发的大规模的，流行性的，可以灭绝大部分人类的病毒。
It might be a common cold, or it could be the start of a vast pandemic — most likely due to a scientific experiment gone wrong — that will wipe out most of humanity.
沉睡中的理智或许并非是任何批判性思维的恰当工具，其实人类在睡着的时候，确实可以解决一些问题，研究人员说。
The slumbering mind might not seem like an apt tool for any critical thinking, but humans can actually solve problems while asleep, researchers say.
美国亚利桑那州立大学人类进化与社会变化学院的研究人员访问了101位女性，以及她们的812位好友和亲朋。
Researchers from Arizona State University's School of Human Evolution and Social Change in the US, interviewed 101 women alongside 812 of their closest friends and relatives.
之前的研究表明这种基因变种让人类更容易演变成慢性阻塞性肺疾病，而当前的研究则对这种现象给出了一个解释。
Previous research showed that this gene variant makes humans more liable to develop chronic-obstructive disease (COPD), and the current study provides an explanation for this observation.
研究人类免疫缺陷病毒（HIV）感染的流行程度与一些非洲国家贫富状态的根本的结构性因素之间的关系。
To investigate the relationships between the prevalence of human immunodeficiency virus (HIV) infection and underlying structural factors of poverty and wealth in several African countries.
他建议成立世界性的评估小组来证明全球变暖是否由人类活动引起，同时研究降低排放能否阻止这个过程。
He suggested that an international panel be created to study whether or not global warming was the result of human actions and whether it could be stopped by cutting pollution.
委员会对硫柳汞与人类神经发育障碍(如自闭症)假设性联系研究的动物模型有效性进行了评估。
It has assessed the validity of animal models in studying hypothetical associations between thiomersal and neuro-developmental disorders (such as autism) in humans.
将现代人的基因组与尼安德特人甚至更原始的黑猩猩的遗传数据进行对比，研究者们希望能借此揭开人类适应性的谜团。
By comparing and contrasting the modern human genome to both the Neanderthal and even more primitive chimpanzee genetic data, researchers hope to uncover uniquely human adaptations.
我很想说我对乐观主义的研究是出于对人类本性积极一面的强烈兴趣，但实情是，我是偶然踏入大脑的先天乐观性这个领域的。
I would have liked to tell you that my work on optimism grew out of a keen interest in the positive side of human nature. The reality is that I stumbled onto the brain's innate optimism by accident.
不过，对于老鼠和猴子的研究发现似乎是延长人类寿命领域这个一度被视为边缘科学研究的一项具有标志性意义的进展。
But the mouse and monkey findings appear to mark the most substantial scientific progress yet in the search for ways to extend human life spans — once viewed as a fringe area of study.
该研究论文的撰稿人大卫·克鲁斯强调该研究揭示了家庭的重要性和这些鼠类行为的发现对人类的实际意义。
The study's author, David Crews, stressed how the study shows the importance of family and that the findings of rat's behavior can be linked to humans as well.
为了找出动物传播的病毒如何变得对人类更有致命性，研究者枕戈待旦。
To find out how viruses from animals might become even more deadly in people, researchers are on the alert.
1908年，另外一位科学家彭加勒决定开始研究人类的创造性思维是如何激发而产生的。
It's 1908. Henri Poincare - another scientist - decides to make it his business to research how others come up with their creative breakthrough ideas.
1908年，另外一位科学家彭加勒决定开始研究人类的创造性思维是如何激发而产生的。
It's 1908. Henri Poincare - another scientist - decides to make it his business to research how others come up with their creative breakthrough ideas.
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