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The United Nations Environment Programme (UNEP) said in a report on Wednesday that public waste creation will greatly increase by 2050. The rise will cause hundreds of billions of dollars of damage through biodiversity loss, climate change, and deadly pollution, UNEP reports.  联合国环境规划署 (UNEP) 在周三的一份报告中表示，到 2050 年，公共废物的产生量将大幅增加。环境署报告称，这种增加将因生...

Our very ancient animal ancestors had tails. Why don’t we have them now? 我们非常古老的动物祖先有尾巴。为什么我们现在没有它们？  From the time of Charles Darwin, a scientist from the 1800s who studied evolutionary biology, scientists have questioned why and how this happened.  从 1800 年代研究进化生物学的科学家查尔斯·达尔文 (Charles Darwin) 时代起，科学家们就一直质疑这种现象为何以及如何...

Fforest Fawr is an old woodland area with broadleaf trees and important archaeological features, but there are diseased larch trees that need to be removed. They've been individually felled and then dragged out of the forest by a team of four horses.  威尔士大森林是一片古老的林地，这里长有阔叶树，而且极具可用于重要考古研究的特征，但同时也有患病的落叶松需要被清除。这些病树被一一砍倒，然后由一...

Humans can be poor judges of their own ability. So, you might not be as good, or as bad, as you think you are. Psychologists have found the less expertise you have in something, the more likely you are to overestimate your competence in it. And in a digital era where self-assured social media influencers give you 'life hacks', and face-to-face conversation is more limited, this psychological pheno...

The pilots started their jet engines on a runway in the United Arab Emirates city of Dubai on Wednesday. But they were not preparing to fly an aircraft. They themselves would fly — in the first-ever “jet suit race.”  周三，飞行员在阿拉伯联合酋长国迪拜市的跑道上启动了喷气发动机。 但他们并不准备驾驶飞机。 他们自己也会飞——参加有史以来第一次“喷气服竞赛”。  The seven pilots with jet engines o...

A group of South Korean rappers in their eighties has become popular in their hometown and beyond. The group raps about farm life and bringing energy to a quiet rural area threatened by shrinking population.  一群八十多岁的韩国说唱歌手在家乡内外走红。 该乐队讲述了农场生活，并为受到人口减少威胁的安静农村地区带来了活力。  The group is called Suni and the Seven princesses. They have become...

This is the sound of Nasa's Perseverance  rover  hard at work on the surface of the Red Planet. It landed on Mars 15 months ago. Since then, it's been on the move,  trundling  more than seven miles across the dry and  dusty  terrain. 这是美国国家航空航天局的 “毅力号” 漫游探测器在火星表面努力工作时的声音。它在15个月前登陆火星。自那以后，它争分夺秒地进行探测任务，已经在...

A long-term study in China has shown that a series of changes take place in the brains of people who get Alzheimer’s disease long before they present signs of the sickness.  中国的一项长期研究表明，早在阿尔茨海默病患者出现症状之前，他们的大脑就发生了一系列变化。 The large study followed middle-aged and older adults for 20 years. The individuals were examined on a regular basis during that per...

Do you remember all those cicada videos from the United States in 2021?  你还记得2021年美国那些蝉视频吗？  Well, prepare for a repeat performance this year. The insect show begins as early as April.  好吧，准备今年重演吧。 昆虫展最早于四月开始。  Two groups of cicadas, brood XIII and brood XIX, are expected to come out from the ground to mate and lay eggs this year. Their appea...

Trying to grow grass in the deserts or other dry places can seem like a losing battle. As a result, many people who live in such climates will use rocks, gravel, or man-made materials as groundcover instead of grass.  尝试在沙漠或其他干燥的地方种草似乎是一场失败的战斗。 因此，许多生活在这种气候下的人会使用岩石、砾石或人造材料作为地被植物，而不是草。  But there are several tough, low-grow...

This flying reptile  soared  over the heads of dinosaurs when Scotland was part of a sub-tropical island in the Middle Jurassic period. Scientists found its wings, shoulders, leg and backbone  embedded  in limestone rock on a beach. Only the skull was missing. To protect it, the fragile  fossil  was transported from Skye in the researchers' backpacks. 在侏罗纪中期，当...

Can you imagine living in a city without roads on the surface? We've already put trains underground successfully, but the idea of building roads underground is now inspiring  urban planners  and engineers. Bradley Garrett, author of 'Subterranean London', says that there's something magical about things happening out of sight, that it "gives  the   illusion of seamlessness ". S...

Scientists from Kew Gardens described almost 100 plants and  fungi  that were new to science last year, from a red-flowered  orchid  that grows on the top of an  extinct  volcano, to  lichens   clinging to  rocks in Antarctica and a palm tree that  thrives   underground . 邱园的科学家们记录了近100种新发现的植物和真菌，其中包括生长在死火山顶部...

Emperor penguins live in  extreme conditions , coming together during  the height of  the Antarctic winter to  breed  in distinct  groupings . 帝企鹅生活在极端的气候条件下，它们在南极严冬时期聚集在一起，在各自不同的小群落中繁殖。  These  colonies  tend to be separated from each other by an average of about 150 miles. Scientists have been using satellite...

The researchers say if you  joined up  all the  hedgerows  in England, they would stretch almost ten times around the Earth. Their map, which is based on  laser scanning  hedges from the air rather than  scaling up  information from  field surveys , gives a more complete picture of the quality and quantity of hedgerows across the country. 研究人员们说，...

Are you feeling  peckish ? Maybe it's a while until your next  meal , so perhaps now you're thinking about reaching for a brightly coloured  packet  with something  delicious  inside. Maybe it's time for a snack. You're not alone, we all do it – but just how much work goes into developing and making the snacks that we all know and love? 你觉得饿吗？ 也许距离你的下一顿...

Now, pretty much everyone has a camera in their back pocket – in the form of a  smartphone . It's easy to take hundreds of photos without needing to really consider  set up  or  storage . And it's very hard to imagine that, at one time,  capturing  an image was an almost impossible process. 现在，几乎每个人的后口袋里都有一个相机——以智能手机的形式。 您可以轻松拍摄数百...

You might have heard of the expression 'a guilty pleasure' – maybe it's the chocolate bar you buy on the way home from work, or the new clothes that you don't really need. It comes from the idea that when we  treat  ourselves, it can sometimes leave us feeling guilty. Perhaps we don't feel we  deserved  it, or we don't think it was a  responsible  way to spend our mon...

Canada recently announced a two-year limit on the number of foreign students given permission to study in the country. The move is partly to ease a growing housing shortage. 加拿大最近宣布对获准在该国学习的外国学生人数实行两年限制。 此举部分是为了缓解日益严重的住房短缺问题。 Reuters news agency recently reported on some of the details of the plan: 路透社最近报道了该计划的一些细节： Marc...

This report confirms what many people have long suspected. More and more trees are being destroyed as forest fires are getting worse all over the world. 这份报告证实了许多人长期以来的猜测：森林大火在世界各地频繁发生，越来越多的树木被烧毁。 In 2021, an area the size of Portugal was lost, almost  doubling  the level of destruction since the turn of the century. Climate change is seen as a...

In February 1866, Charles Dickens  threatened  to move away from his part of Kent [in the UK] because of the loss of a Sunday postal service. “I should be so  hampered  by the proposed restriction” he writes, in a letter  made public  for the first time, “that I think it would force me to leave this part of the country.” 1866年2月，查尔斯·狄更斯因周日邮政服务被取消而...

Tickets  for the American football Super Bowl game are among the hardest to get in all of sports. Because of that, some websites that buy and re-sell tickets have set prices for the upcoming game in Las Vegas, Nevada at almost $10,000. 美式橄榄球超级碗比赛的门票是所有体育赛事中最难获得的门票之一。 因此，一些购买和转售门票的网站将即将在内华达州拉斯维加斯举行的比赛的价格定为近 10,000 美元。 The...

Our brain works by  firing off   electrical impulses . The team at Boston University used this in order to  boost  memory. 我们的大脑通过发送电脉冲来工作。美国波士顿大学的研究团队就利用了这一原理来提高人们的记忆力。 They asked volunteers to wear a cap filled with  electrodes , then used precise  electrical currents  to alter their  brainwaves  in 20-min...

At 30 metres long, weighing 25 tonnes, it's thought this  salvage  wreck, found in 2002, was built around 1449 from Basque-country wood and was involved in the  lucrative  wine trade between Portugal and Bristol (UK). 这艘沉船于2002年被发现，船身长30米、重25吨 ，人们认为它是在1449年前后用巴斯克地区的木材建成的，这艘船被用于葡萄牙和英国布里斯托之间利润丰厚的葡萄酒贸易活动。 Hist...

Elon Musk says his company Neuralink has placed an experimental brain device in a person in the first human test of the technology. 埃隆·马斯克表示，他的公司 Neuralink 已经在人体中放置了一个实验性大脑设备，这是该技术的首次人体测试。 Neuralink describes the coin-sized device as a “brain-computer  interface .” It is designed to be  implanted  inside the brain through a medical operati...