Regardless of their source, any methane molecules in Mars's atmosphere would, on the basis of experiments on Earth, be expected to hang around for centuries. 不论它从何而来,根据地球的实验,火星大气中的任何甲烷分子将有望徘
On earth, most of the methane in the atmosphere has been belched by living organisms, 在地球上,大气中的大部分甲烷都是由活着的生物体喷出的, so finding the gas on Mars would be happy news for seekers after extraterrestrial
Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析,夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns
Malaria killed 435,000 people last year, most of them in Africa. 去年435,000人死于疟疾,其中大部分在非洲。 The parasite that causes the illness is carried by females of some, but not all, species of mosquitoes of the genus Anopheles.
She found that, while the genetically engineered mice and the BTBR mice had, as expected, reduced levels of L. reuteri, 她发现,虽然经过基因编辑的老鼠和BTBR老鼠体内的罗伊氏乳杆菌果然有所减少, and those with bacteria
Autism affects people's social behaviour and communication, and may impair their ability to learn things. All this is well known. 孤独症会影响人们的社会行为和沟通,也可能会损害患者学习事物的能力。这些都是众所周知
Follow-up examinations of the mice in all these experiments looked at the strengths of connections between nerve cells within part of the brain called the ventral tegmental region. 在所有这些实验中,老鼠的后续检查是观察中脑腹侧被
They also boosted risky mortgage lending, since brokers' earnings were linked to the size of the loans they sold. 他们还宣传存在风险的抵押贷款,因为经理人的收入和他们销售的贷款额度相挂钩。 Financial regulators wer
Italy's domestic politics are also concerning. 意大利的国内政治也令人担忧。 The government's row with the European Commission over its budget and ensuing market jitters are starting to weigh on sentiment and push up borrowing costs. 该国
The seaside promenade in Douglas, on the Isle of Man, a self-governing British Crown dependency, boasts grand Victorian buildings and a horse-drawn tram. 曼岛是一个英国王权的自治属地,其首府道格拉斯的海滨大道上坐落着宏伟
Puzzlingly low core inflation is not solely a European problem. America has seen it too. 令人困惑的是,低迷的核心通货膨胀问题不仅仅存在于欧洲。美国也一样。 Indeed, the Federal Reserve's experience of tightening policy
Central banking can be agonising. The effect of monetary policy on the economy is not immediate, 中央银行可能很痛苦。货币政策对经济的影响并非即刻见效, so decisions must be based on expectations for two years' time. That me
But in NAFTA that process has been broken for years. After Mexico launched a dispute against America over sugar in 2000, 但在是NAFTA中,这一程序多年来就已遭破坏。2000年自墨西哥针对食糖对美国发起争端后 America refuse
For years President Donald Trump has been itching to withdraw from the North American Free Trade Agreement (NAFTA), 几年来,唐纳德特朗普总统一直想要退出北美自由贸易协定(NAFTA), a trade deal between America, Canada and
A striking example is a policy offered by Old Mutual International (OMI), a subsidiary of London-listed Quilter, 一个显著的例子是伦敦上市公司Quilter的子公司先机国际(OMI)提供的一种保险: which pays out a lump sum of m
AIDS 艾滋病 Get your act together, guys 筒子们,一起行动吧! Two UN reports on AIDS are coming out this month. That is one too many 联合国将于本月发布两份艾滋报告,其中一份纯属多余。 SOMETHING odd is going on in
Just deserts 沙漠 Poor access to fresh food is a solvable health problem 难于接近新鲜食品是一个可以解决的健康问题 THE corner shop on South Honore and West 59th in Englewood is an uninviting sort of place. Those windows that are
United States 美国 The Russia investigation: Each to His Own 俄罗斯调查:各自为战 What better to counter accusations of a conspiracy than a conspiracy theory? 有什么比用阴谋论为自己的间谍罪平反更好的方法呢? It sho
The Tories did best in constituencies that voted heavily for Brexit: in six of their eight new English seats the Leave vote was over 60%. 在进行选区保守党做的最好的,有很多选民支持退欧:在他们的八个新英国座位中,有
South Koreas education system 韩国的教育体制 The great decompression 大减压 There are perils for a country in having all your children working too hard for one big exam 对一个国家来说,让所有孩子都为一场大型考试而精疲力
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