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Such a testosterone boost may give a man the nudge to pursue a woman he might not have otherwise noticed. 睾丸素分泌的增加可能会促使这个男人去追求这个平时他可能就会忽略的女性。 A woman's nose is particularly attuned
This is Scientific Americans' 60-Second Science.I'm Karen Hopkin .This will just take a minute. When you hear things like, human DNA differs from chimp DNA by only a couple percent. You cant help but wonder. How can that be? How can so few changes ma
This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Ants are known for working together, operating as a unit for the good of the colony. But not so fast, say researchers from the Universities of Leeds an
If the human genome were put in a straight line, it would be over six and a half feet long. So how do you store all that DNA in a tiny nucleus? And have the cell manage it? Researchers explain how in a study featured on the cover of the October 9th i
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. People get malaria from Anopheles mosquitoes that themselves are infected with a protozoan parasite called Plasmodium. The mosquitoes do have immune sy
If the human genome is the book of life, then Crispr technology is its Microsoft Word. The cut-and-paste technique, invented only three years ago, can be used on fledgling genomes to snip out bits of DNA and, if required, insert new stretches. 如果说
许多人都希望自己能变成更聪明。这也是各种健脑、补脑药品和营养品大行其道的原因。普林斯顿的一位神经生物学家Joseph Z. Tsien则宣称找到了开启智慧之门的钥匙基因。 Many people dream of hav
Healthy living 健康生活 Mind and body 身与心 The reason loneliness could be bad for your health 孤独会对你的健康不利的原因 SCIENCE has many uses, but it doesn't often produce handy pick-up lines. 科学有很多用处,但是它通
Science and Technolgy. 科技。 Social status and health. 社会地位与健康。 Misery index. 贫困指数。 Low social status is bad for your health. Biologists are starting to understand why. 社会地位低对身体不好,生物学家开始理
A survey of more than 2,000 people living in the UK has found that those with a higher IQ are more likely to live a longer life. 一项调查研究了2000多名住在英国的人士,发觉智商高的人更有可能长寿。 Even when factors such
An end to grey hair and crows-feet could be just 10 years away after scientists showed 科学家发现,动物的衰老过程有可能逆转。 it is possible to reverse ageing in animals. 从此以后,可能仅需10年,人类就可以告别白发
当下,全球城市化进度迅猛。在城市人口超过全球人口总数一半的21世纪初叶,城市成为上海世博会的主题别有深义。 Today, the world is rapidly urbanizing. With half of the world population expected to live in
What will life be like in 28 years? 本届上海世博会以城市生活为主题,可谓匠心独具(show originality)。在这个城市人口超过人类总数一半的21世纪初叶,在这个城市化进程最迅猛的阶段。我们不禁要猜
He and his colleagues noted parallel changes in the genes for three digestive enzymes whose job is to liberate two particular amino acids, lysine and arginine, from proteins. 他的团队发现三种消化酶基因相似的改变,这些消化酶的作
BEIJING A report that Beijings already notorious smog contained bacteria with antibiotic-resistant genes spread through the city last week like pathogens in a pandemic disaster movie. 北京上周,有一则新闻就像是传染病灾难片中的病原
Reproductive technology 生育技术 Oh, baby 噢,宝贝! Britain's approval of babies with three genetic parents offers lessons for other countries 英国通过三亲婴儿决议,给他国带来的影响。 PLAYING God is what medicine is for.
1、广告给我们提供了很多有用的信息。 Advertisements provide us with much useful information. 2、旅游者有机会体验一种完全不同的文化。 Tourists have chance to experience a completely different culture. 3、它需要政府