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These kinds of “gravity assists” are expected to provide the needed push to get the spacecraft to Jupiter by 2030.  这些“重力辅助”预计将为 2030 年航天器抵达木星提供所需的推动力。 After reaching Jupiter, Europa Clipper will then spend about one year preparing for the flybys of Europa.  到达木星后，欧罗巴快艇将花费大约一年的时间为飞越木星做准备。 NASA says the spacecraft is equipped with n...

The American space agency NASA has cleared a spacecraft to launch next month to look for possible signs of life on Jupiter’s moon Europa.  美国宇航局已批准下个月发射一艘宇宙飞船，在木星的卫星欧罗巴上寻找可能的生命迹象。  Agency officials announced plans for the Europa Clipper spacecraft at a press briefing last week. The launch window for the mission will open October 10. The spacecraft...

The United States Congress has honored four women known as the “hidden figures” of the space race with its highest civilian award.  美国国会向四位被称为太空竞赛“隐藏人物”的女性颁发了最高平民奖。  The Congressional Gold Medal was presented Wednesday to the families of Katherine Johnson, Dorothy Vaughan, Mary Jackson and Christine Darden at the U.S. Capitol. Only Darden is still living. Th...

However, its common name is a dead giveaway that it is dangerous. It is called devil’s tomato. It is also known as devil’s potato to add to the confusion.  然而，它的俗名已经充分表明它是危险的。它被称为魔鬼番茄。它也被称为魔鬼土豆，以增加混乱。  Other members of the nightshade family are poisonous in different ways. For example, a plant named deadly nightshade, or belladonna, is so toxic...

Actor Alicia Silverstone worried fans on social media recently. While on a trip to England, she posted a TikTok video of herself tasting a poisonous berry she found along a sidewalk.  演员艾丽西亚·席尔维斯通最近在社交媒体上让粉丝们担心不已。在去英国旅行时，她在 TikTok 上发布了一段自己品尝在人行道上发现的有毒浆果的视频。  Silverstone, who appeared in the 1995 movie Clueless, said she thou...

It's so low-pitched it's difficult to hear, but this is the rumble of the wind on Mars. It was detected by sensors on the Insight Lander, which was sent to the Red Planet in 2018 to listen. That's what made this discovery of liquid water possible. As well as sensing the Martian breeze, the probe recorded more than 1,300 Mars quakes – vibr...

Early in the morning in June 2024, photographer Lee McGrath captured electric blue shimmering in the waves of Dunraven Bay, Wales. Lighting up the water was bioluminescent plankton. 2024 年 6 月清晨，摄影师 Lee McGrath 在威尔士邓拉文湾的海浪中捕捉到了电蓝色的光芒。照亮水面的是生物发光的浮游生物。 Bioluminescence is the ability of certain organisms to produce ligh...

During his more than 60-year acting career, James Earl Jones’ voice became a star of its own. Jones died this week at the age of 93.  在 60 多年的演艺生涯中，詹姆斯·厄尔·琼斯的声音成为了一颗明星。 琼斯本周去世，享年 93 岁。  One of Jones' career decisions continues to be an issue of debate: his permission to let artificial intelligence (AI) reproduce his performances as Darth Vader for n...

A sunken Greek village has begun to reappear after water levels dropped in the lake that covered it. Extreme hot, dry weather is blamed for the disappearing Lake Mornos.  一座沉没的希腊村庄在湖水水位下降后开始重新出现。莫诺斯湖的消失被归咎于极端炎热、干燥的天气。  The village of Kallio was flooded in 1980 to create the lake. The plan aimed to help supply the ever-increasing water demands...

This theory is a big departure from conventional thinking. Most experts agree that animal life emerged 635 million years ago. But this team say they detected an explosion of the nutrients needed for life, including oxygen and phosphorus, 2.1 billion years ago. 这个理论和传统认知有很大的不同。大多数专家普遍认为动物生命最早于 6.35 亿年前出现在地球上。但这个科研团队...

Save the gorilla! Protect tigers! Help the giant kangaroo rats! You've probably heard the first two slogans but maybe not the last one. We're often keen to support the conservation of animals like gorillas and tigers but less sympathetic to creatures like rats. Are our stereotypes affecting which animals we choose to protect? 拯救大猩猩！ 保护老虎！ 帮助巨型袋鼠！ 您可能听说过前两个口号...

Government reports expect that, at the current rate, the working age population will drop by 40 percent to 45 million by 2065.  政府报告预计，按照目前的速度，到 2065 年，劳动年龄人口将减少 40%，达到 4500 万。  Supporters of the three-days-off model say it helps people remain in the workforce longer. It would give them more time to raise children and care for older relatives. For retirees...

Japan is a nation so hardworking that the Japanese language has a term for working oneself to death. Now, the government is trying to deal with a labor shortage.  日本是一个非常勤奋的民族，日语里有一个词是“拼命工作到死”的意思。现在，政府正在努力解决劳动力短缺的问题。  One solution is to get more people and companies to accept four-day workweeks. The Japanese government first supported a...

They linger above our letters, they wander around the endings of our words - but apostrophes, it seems, are an endangered species. The Apostrophe Protection Society - yes there really is one - says their future is, well, up in the air. 它们停留在字母之上，徘徊在单词的结尾，但撇号似乎是一种 “濒临灭绝的物种”。撇号保护协会——是的，确实有这么一个协会，说撇号的未来 “悬而未...

Humankind has developed so much that urban sprawl and intensive agriculture now dominate our landscapes. Unfortunately, with that comes the threat of climate change and a loss of biodiversity. What if we could return these landscapes to places that teem with wildlife, with ecosystems thriving as they did centuries ago? Since the 1980s, the con...

Google created the Android operating system and makes Pixel smartphones. It warns that hot batteries lose power faster, even when not being used.  谷歌创建了 Android 操作系统并生产 Pixel 智能手机。 它警告说，热电池即使在不使用时也会更快地失去电力。 Look at changing your smartphone settings so apps and other device operations use less power. Doing this can extend your battery’s daily life and...

Many people are now holding onto their smartphones longer than in the past. This is true for several reasons. The cost of phones has been rising for years. And device updates are no longer as meaningful as before.  现在，许多人使用智能手机的时间比过去更长。 这是事实，有几个原因。 多年来，手机的成本一直在上涨。 而且设备更新不再像以前那么有意义。  This has made it even more important for s...

Another device from the Massachusetts company Epicore Biosystems uses sweat to find out if a worker is overheating.  马萨诸塞州 Epicore Biosystems 公司的另一款设备利用汗水来判断工人是否过热。  Experts say the effectiveness of some devices remains unproven although research has shown that some successfully predict body temperature. A 2022 study said age, sex, and the amount of water in th...

On a hot summer day, workers recently worked to remove asbestos and hazardous waste at Oak Ridge National Laboratory in Tennessee. It is a former nuclear center that the government wants to tear down.  在炎热的夏日，工人们最近在田纳西州橡树岭国家实验室清除石棉和危险废物。 这是政府想要拆除的前核中心。  The men wore full-body protective clothing and used respirators to clean the air they b...

Miners in Botswana recently unearthed what officials say is the second largest diamond in mining history. The country’s president Mokgweetsi Masisi presented the large stone to the public at a ceremony last week.  博茨瓦纳的矿工最近挖掘出了官方所说的采矿史上第二大钻石。该国总统莫克维齐·马西西 (Mokgweetsi Masisi) 在上周的仪式上向公众赠送了这块大石头。  The 2,492-carat gem is the biggest d...

That project is shared by the wildlife agency and the South Florida Water Management District. Through 2023, more than 18,000 pythons have been removed from the wild. Contractors like Aycock have removed about 11,000. 该项目由野生动物机构和南佛罗里达州水管理区共享。到 2023 年，已有超过 18,000 条蟒蛇被从野外清除。像艾科克这样的承包商已经拆除了大约 11,000 人。 The pay is average. Hunting along backr...

It is after midnight when the windshield fogs up on Thomas Aycock’s pickup truck. He smiles as he slowly drives through the sawgrass and down dirt roads deep in the Florida Everglades.  午夜过后，托马斯·艾科克的皮卡车的挡风玻璃起雾。 他微笑着慢慢开车穿过锯齿草，沿着佛罗里达大沼泽地深处的土路行驶。  His foggy windshield confirms what he knows. When the dew point drops in the middle of the...

Many travelers face a common problem: jet lag. 许多旅行者面临一个共同的问题：时差。 It is the feeling of tiredness people get when traveling a long distance, resulting in a difference in daylight hours. Nobody wants to miss the fun because they are too tired to enjoy their vacation. 这是人们在长途旅行时感到的疲倦感，导致白天时间的差异。 没有人愿意因为太累而无法享受假期而错过乐趣。 Here are some ti...

It's just a faint red  smudge , but the  detectors  on the James Webb Telescope are in no doubt that this galaxy, a large collection of stars, is at a  prodigious  distance. 该星系看上去只是一团不清晰的红色印迹，但是詹姆斯·韦伯望远镜上的探测器确信该星系由一大群恒星组成，距离我们异常遥远。  Astronomers say the  observatory  is seeing the object when the Unive...

In July 2024, a pod of 77 pilot whales washed up on a beach in Orkney, Scotland. It was the largest mass stranding of whales in Scotland for decades. Scientists don't know exactly why whales beach themselves. One theory is that climate change is driving whales' food closer to the shoreline, where they then get stuck as the tide goes out. If a single animal is found, it is usually because it is sic...