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Scientists are seeking to find out what is producing the slow release of methane gas on Mars. 科学家们正在寻找火星上缓慢释放甲烷气体的原因。 Methane often results from biological processes. On Earth, most of the gas comes from living creatures. For this reason, the American space agency NASA has been investigating methane levels on Mars in a search for signs of current or past life. So far, no evi...

Human experts spend years  roasting  and tasting coffee from many places to learn about the beans. They might then combine a coffee bean from Africa with another one from South America to come up with a new  blend . 人类专家花费数年时间从许多地方烘焙和品尝咖啡，以了解咖啡豆。 然后，他们可能会将非洲的一种咖啡豆与南美的另一种咖啡豆结合起来，制成一种新的混合物。 But, a coffee roasting...

A new, small robotic camera designed to be swallowed for use in medical examinations was recently demonstrated at a conference in Canada. The device called PillBot can be guided through a body remotely, meaning electronically from outside. Its creators hope the device will replace traditional endoscopies. An endoscopy is when a camera attached to a wire is directed down the throat and into a sleep...

International health experts have agreed on a new definition of what it means for a disease to spread “through the air.” 国际卫生专家就疾病“通过空气”传播的含义达成了新的定义。 The agreement came after the World Health Organization (WHO) cooperated with hundreds of international health experts to explain or clarify the meaning. The WHO said the technical document it issued was the first s...

For the first time, the public will be able to go on guided tours of Buckingham Palace's East Wing. That includes the famous front  facade  with a balcony that's been the focus of so many big royal occasions, although visitors won't be able to  step out  onto the balcony and wave to the tourists below. 这将是公众首次能够在导游的带领下参观白金汉宫东翼。可供参观的区域包括宫殿正面...

We hear family members and teachers telling us to "sit up straight" and "stand tall", but do they say that because an  erect posture  is more  aesthetically pleasing , or is it the key to a  pain-free  back? It's commonly believed that ' slump '  sitting  or ' slouch '  standing  damages our  spines . But, is slouching really that bad? 我们听到家人...

Whether it's clubs such as Bury  going   bust , Derby's current financial problems or  the 'big six'  wanting to form a breakaway super league, the government's view is football needs protecting, at times from itself. 无论是像贝里这样的足球俱乐部面临破产、德比郡目前的财务问题，还是英超 “六大豪门” 想要脱离联赛、单独成立一项超级联赛，面对这些足坛危机，英国政府的看法是：...

An ancient  fossil  found by a girl and her father on a beach in England belongs to a creature that might have been among the largest animals ever on Earth. 一个女孩和她的父亲在英格兰的海滩上发现了一块古老的化石，属于一种可能是地球上最大的动物之一的生物。 Researchers said in a recent study that the fossilized bone, called a surangular, was from a reptile called an ichthyosaur that lived...

As a person of color, I felt this painfully myself.”  “作为一个有色人种，我自己也深有体会。” Musandu said he is seeing a demand for his services, but his product is designed to  supplement  traditional photography not replace it. The goal is to help a buyer make better decisions and reduce product returns and waste. Musandu 表示，他看到了对其服务的需求，但他的产品旨在补充...

Alexsandrah is a  fashion  model in London. She has a  twin . Alexsandrah 是伦敦的一名时装模特。 她有一个双胞胎。 But her twin is not her sister. 但她的双胞胎不是她的妹妹。 The twin is a product of Artificial Intelligence, or AI. 这对双胞胎是人工智能（AI）的产物。 Whenever Alexsandrah is not available to work with a photographer, the  virtual  twin takes her place. 每...

A new study has found that 41 percent of cancer drugs receiving  accelerated  government approval do not improve survival or quality of life. 一项新研究发现，41% 获得政府加速批准的抗癌药物并不能改善生存或生活质量。 The U.S. Food and Drug Administration’s (FDA’s) accelerated approval program aims to get new drugs to patients as quickly as possible. But the effectiveness of the d...

It's been quite a 12 months for Taylor Swift. She's  in the middle of  a  record-breaking  tour and  stole the show  at this year's  Grammy Awards . 对泰勒·斯威夫特来说，过去的12个月可谓异彩纷呈。除了举办破记录的全球巡回演唱会外，她还在今年的格莱美奖颁奖典礼上抢尽风头，大放光彩。 Now she's entered the Forbes World's Billionaires List for the first time with an&nb...

Have you heard of these dance moves? The lego leg? A clock blender? Helicopter? Don't worry. By the end of the summer, you may know all these words! Paris is preparing to host the Olympic and Paralympic games, and a new sport will be making its debut. 您听说过这些舞蹈动作吗？ 乐高腿？ 时钟搅拌机？ 直升机？ 不用担心。 到夏天结束时，你可能会知道所有这些单词！ 巴黎正在准...

If you’re in a job performing tedious tasks, you might think that a  robot  could do the work instead. But perhaps we underestimate how much technology already helps with the activities that we would otherwise have to do.  And as  artificial intelligence  progresses we might find it replaces us in the workplace altogether. 如果您从事的工作是执行繁琐的任务，您可能...

United States health officials are warning of an increase in rare bacterial illnesses that can lead to meningitis. It is a serious and often deadly disease in which an outside barrier of the brain or related tissues becomes infected and  swollen . 美国卫生官员警告称，可能导致脑膜炎的罕见细菌性疾病有所增加。 这是一种严重且往往致命的疾病，大脑或相关组织的外部屏障受到感染和肿胀。 The Centers for...

Tokyo visitors can now join a special  tour  of one of the Japanese city's modern wonders: its public  toilets . 东京游客现在可以参加一次特别游览，参观这座日本城市的现代奇观之一：公共厕所。 Penelope Panczuk recently went on the Tokyo Toilet Shuttle for a two-hour visit of artistic public  bathrooms. 佩内洛普·潘祖克 (Penelope Panczuk) 最近乘坐东京厕所班车，参观了两个小时的艺术公...

For hundreds of years, beavers have been  absent  from Scottish waters. Their reintroduction a decade ago was controversial, particularly among farmers. 数百年来，苏格兰水域中一直没有河狸。十年前，重新引入河狸引起了争议，特别是激起了农民的反对。 The animals, which are described as  ecosystem  engineers, create  wetlands  which support other wildlife, including insects...

Having thousands of photos, songs and films available at our fingertips would have seemed amazing just a few decades ago, but how long will these files last for and be available? Could the  digitalisation  of cultural  artefacts  now be putting a time limit on our memories? 就在几十年前，拥有数千张照片、歌曲和电影触手可及似乎令人惊叹，但这些文件能持续多久并可用？ 文物...

Peru's Andes Mountains might be home to the oldest person ever to have lived — at the age of 124. 秘鲁的安第斯山脉可能是有史以来最长寿的人的家乡——享年 124 岁。 The South American country’s government has claimed that a man named Marcelino Abad Tolentino from the central area of Huánuco was born in 1900. If the claim is true, he would be the oldest, independently  verified  human on earth...

American music star Beyoncé released her new album Cowboy Carter last week. The singer said the country music record was born of an earlier experience in which she “did not feel welcomed” by the country music industry.  美国音乐明星碧昂斯上周发行了她的新专辑《Cowboy Carter》。 这位歌手表示，乡村音乐唱片的诞生源于她早期的经历，当时她“没有感受到乡村音乐界的欢迎”。 Country music stars Linda Mart...

They say burning coal, oil and natural gas results in more carbon dioxide and methane in the atmosphere. Those two are called “greenhouse gases” because they are said to “trap heat.” 他们说，燃烧煤炭、石油和天然气会导致大气中产生更多的二氧化碳和甲烷。 这两种气体被称为“温室气体”，因为据说它们会“滞留热量”。 “The  trajectory  will not change until  concentrations  of gre...

The European Union’s climate agency, Copernicus, says the world’s temperature averaged 14.14 degrees Celsius in March. 欧盟气候机构哥白尼表示，3 月份全球平均气温为 14.14 摄氏度。 The latest monthly temperature means that Copernicus has reported a record high temperature for 10 months  in a row . 最新的月度气温意味着哥白尼连续10个月报告高温纪录。 Copernicus added that the month was 1.68 degree...

As he drives slowly across snow, Nils Mathis Sara drops food on the ground for hundreds of his reindeer to eat. His animals live in Finnmark, the northernmost point of Norway. 当尼尔斯·马西斯·萨拉（Nils Mathis Sara）缓慢地驶过雪地时，他将食物撒在地上，供他的数百只驯鹿吃。 他的动物生活在挪威最北端的芬马克郡。 But Sara wishes he did not have to feed them. 但萨拉希望他不必喂它们。 "Thi...

Glenn Cohen of Harvard Law School said, “If you’re really worried about people using your app for mental health services, you want a disclaimer that’s more direct…” He suggested, “This is just for fun.” 哈佛法学院的格伦·科恩说：“如果你真的担心人们使用你的应用程序提供心理健康服务，你需要一个更直接的免责声明……”他建议说，“这只是为了好玩。” Still, chatbots are already playing a role due to an ongoing...

The mental health  chatbot  Earkick greets users with a friendly-looking panda that could fit easily in a children’s program. 心理健康聊天机器人 Earkick 用一只看起来很友好的熊猫来迎接用户，它很适合儿童节目。 When users talk about  anxiety , the panda gives the kind of comforting statements that a trained mental health professional, called a therapist, would say. Then it might sugges...