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第2992期:American teenager depicts the migrant crisis through art
Two young children, a boy and a girl, hold a sign that reads "BRING OUR MOM BACK".
一个男孩和一个女孩举着一块牌子,上面写着“BRING OUR MOM BACK”。
This painting called "Simple Immigration" is the work of an 18-year-old Dominick Cocozza, and has already made its way to the US capitol in Washington D.C.
这幅名为《简单移民》的画作出自18岁的Dominick Cocozza之手,现已在美国华盛顿特区的国会大厦成功展出。
In 2019 Cocozza won in the annual art competition organized by the US congress.
2019年,Cocozza在美国国会组织的年度艺术竞赛中获胜。
I concentrated on the United States immigration crisis, and that was something that I felt deserve an empathetic and legal solution.
我专注于美国的移民危机,我觉得这一问题值得以富有同理心且合法的方式去解决。
So when I saw kids that you know looked like me when I was younger, you know behind cages and in bar
第2991期:NASA Probe Searches for Life on Mars
The United States and China recently dispatched rovers to Mars, while the United Arab Emirates sent an orbiter to the red planet, where it is hoped humans one day will tread.
美国和中国最近向火星发射了探测器,同时阿联酋航空公司也向这颗红色星球发射了一颗人造卫星,希望有一天人类会踏上这片土地。
For man and machine alike, experts say landing on Mars is the hardest part of the trip.
专家表示,对于人和机器来说,登陆火星是旅程中最困难的部分。
The period from hitting the atmosphere to getting to the surface has been characterized depending on the mission as either the six minutes of terror or the seven minutes of terror.
从进入大气层到抵达表面的这段时间,根据不同的任务,被描述为“恐怖六分钟”或“恐怖七分钟”。
Mars has a thinner atmosphere than earth which complicates setting down safely on the surface.
火星的大气层比地球稀薄,这使得在火星表面安全降落变得困难。
Stanford University professor Scott Hubbard says, those six or seven minutes it takes to go from more than 19,000 kilometers per hour to zero are the ris
第2990期:Smart Glasses: The Next Technological Leap
First there was the keyboard, then the touch screen.
首先是键盘,然后是触屏。
Some tech companies say a wearable pair of glasses could be the next leap in technology, even if it didn't work out for google glass.
一些科技公司表示,即使谷歌眼镜未能成功,可穿戴眼镜仍可能是科技领域的下一次重大飞跃。
In the future we won't be only limited to our smartphones, when it comes to understanding the world around us. So this is our early investment in that future.
未来我们将不再局限于仅通过智能手机来理解周围的世界。这就是我们对那个未来的早期投资。
The US-based company Snap's investments is this--the spectacles, three sunglasses. This third version is smarter than the previous ones.
总部设在美国的Snap公司投资开发了这款太阳镜。第三个版本比之前的版本更智能。
It has two cameras. The corner of the glasses lights up when recording video, and allows the wearer to put 3D objects in the video. Here are some flowers.
...
第2989期:Youth Horse Riding Program
The Work to Ride program basically started with an idea that I had about using horses and youth combining those two to make a difference in the lives of children.
“骑马计划”项目基本上源于我一个想法,即把马匹和青少年结合起来,从而改变孩子们的生活。
Our facility, Chamonix Equestrian Center, is located in Philadelphia. And it is bordered on two of the most crime-ridden neighborhoods here in Philadelphia.
我们的设施查莫尼克斯马术中心位于费城。它毗邻费城两个犯罪率最高的社区。
One is North Philadelphia and one is West Philadelphia. We have children that come from those neighborhoods.
一个是北费城, 一个是西费城。参加这个项目的有来自这些社区的孩子。
Being in the program has kept me away from a lot of stuff like getting involved in drugs and getting related things that usually happen in the street.
参加这个项目让我远离了很多事情,比如吸毒和街头常见的那些相关活动。
When I come to the barn, I'm always very happy. I'm usually excited, usually rea
第2988期:Black History Educational Toys
It's all about changing the narrative of black history, building leaders through the story of my ancestors.
这一切都是为了改变黑人历史的叙事,通过讲述我祖先的故事来培养领导者。
We produce educational toys where children can learn black history in a very fun and creative way.
我们生产教育玩具,让孩子们能够以一种非常有趣和富有创意的方式学习黑人历史。
The focus really is to kind of see black history through a different lens instead of focusing on oppression and slavery.
重点实际上是通过不同的视角来看待黑人历史,而不是聚焦于压迫和奴隶制。
I don't want that to be their first thought anymore. I want the first thought when people think of black history is to be resiliency and leadership.
我不想让这再成为他们的第一印象。我希望当人们想到黑人历史时,第一印象是坚韧与领导力。
Bevy & Dave, I named Bevy after my daughter, Beverly, and I named Dave after my brother, David. The first toy I created is the History Makers Puzzle Block Set.
Bevy & Dave这个游戏品牌名源于我的女儿Beverly和哥哥David。我发明的第一款游戏是《方块拼图学历史》。
It was launched in 2016. We're going to put t
第2987期:Massive Natural World Database
This is a slime mold. Cat Chang is an urban designer. But in her spare time, she likes to examine other life-forms.
这是一种黏菌。凯特·张是一名城市设计师。但在业余时间,她喜欢研究其他生命。
Ever since I was a little girl, I've been interested in the natural world. We're native Hawaiian. Our family and my grandmother would take me around her yard.
从我还是个小女孩起,我就对自然界感兴趣。我们是夏威夷原住民。我的家人和祖母会带我在她的院子里转转。
She would show us all the plants and how you use them. And later when I was interested in learning about fungi, I didn't have anybody to help me with it.
她会向我们展示所有的植物以及如何使用它们。后来当我对学习真菌感兴趣时,却没有人能在这方面帮助我。
Someone suggested iNaturalist to me, and it's on your cell phone.
有人向我推荐了iNaturist, 在手机上就可以使用。
iNaturalist is a joint initiative of National Geographic and the California Academy of Sciences.
iNaturist是国家地理和加州科学院联合发起的应用。
Essentially, people can take a photo of
第2986期:Hedgehog secret discovered – they hear at a range far beyond humans
My name is Dwayne Hendrickson and I'm from Minot, North Dakota, about 50 miles out of Keif.
我叫德韦恩·亨德里克森,来自北达科他州米诺特市,距离基夫约50英里。
But my grandparents lived on a farm near Kief prior to 1968 and a small-town community that everybody knew everybody and everybody helped everybody.
但在1968年之前,我的祖父母住在基夫附近的农场里,那是一个小镇社区,每个人都认识彼此,每个人都互相帮助。
And it was just a different atmosphere, a different atmosphere of listening to people who didn't speak English, and you were trying to figure out what they were saying.
那是一种不同的氛围,人们听着那些不会说英语的人讲话,然后试图弄明白他们在说什么。
My father came from Germany. He's a Helme from Germany. His dad got on a ship over at Odessa, Russia and came over here in 1902.
我父亲来自德国。他是德国赫尔姆人。他的父亲在1902年从俄罗斯的敖德萨登上一艘船来到了这里。
And then he homesteaded in 1905. He found some land and he homesteaded.
然后他在1905年申请了宅基地。他找到了一块地并申请了宅基地。
And
第2985期:Hedgehog secret discovered – they hear at a range far beyond humans
The researchers discovered that the European hedgehog can hear up to 85kHz, a frequency that's considered ultrasonic, far higher than humans who stop hearing past 20kHz.
研究人员发现,西欧刺猬能听到达到 85 千赫的声音,这已属于超声波频段,远高于人类 20 千赫的听觉上限。
The team now wants to develop sound repellents to be used in cars or lawnmowers that could emit noise at a frequency to scare off hedgehogs.
基于此发现,该团队目前正致力于开发出能安装在汽车或割草机上的声音驱赶器,通过发射特定频率的噪音来吓跑刺猬。
Thousands of hedgehogs a year are killed in road collisions, and the scientists say the discovery could be a game changer. It could also reveal if the animals communicate to each other using noises that humans can't hear.
每年都有数千只刺猬在马路上被撞死,而科学家们表示,这项新发现可能会彻底改变现状。它或许还能揭示这些动物是否会利用人类听觉范围之外的声音进行交流。
第2984期:Collagen supplements improve skin but won't stop wrinkles
Lots of places sell or advertise collagen supplements, but what are the benefits of taking them on a daily basis? A new scientific review by a team from Anglia Ruskin University, published in the Aesthetic Surgery Journal Open Forum, has looked into exactly this, and here's what it found.
很多地方都销售或宣传胶原蛋白补充剂,但每天服用胶原蛋白究竟有哪些益处?安格利亚鲁斯金大学的一个团队在《美容外科杂志开放论坛》上发表了一项研究,针对这个问题进行了深入探讨,以下是其研究发现。
Let's start with the basics. What is collagen? Well, it's a type of protein found naturally in the body. It supports and strengthens the skin, nails, bone and connective tissues. But the amount the body makes drops with age.
首先从最基本的概念说起。胶原蛋白是什么?它是一种天然存在于体内的蛋白质。胶原蛋白支撑并加固皮肤、指甲、骨骼和结缔组织。但其合成速度随着年龄增长而下降。
The team behind this review assessed the results of 113 trials involving nearly 8,000 people, and say it brings together the strongest evidence to dateon collagen supplements. They say it shows the pills orpowderscan offer some realskin-rejuvenatinggains. Taken daily, the protein can improveskin toneorelasticityandmoisture, but it doesn't ap...
第2983期:Friction-maxxing: Is convenience weakening our brains?
We all know the feeling. You have a big, difficult task to complete, but your phone is on the desk next to you, teasing you with endless distraction opportunities. What's happening on social media? What's going on in the news? Who's messaging me? This constant bombardment of information through our screens, coupled with a tendency to outsource even basic tasks to technology, might be making us unhappier and more resistant to difficult tasks. Is 'friction-maxxing' the answer?
我们都知道这种感觉。 你有一项艰巨的任务要完成,但你的手机就放在你旁边的桌子上,给你带来无尽的分心机会。 社交媒体上发生了什么? 新闻里发生了什么? 谁给我发消息? 这种通过屏幕不断轰炸的信息,加上甚至将基本任务外包给技术的趋势,可能会让我们更加不快乐,并且更加抵制困难的任务。 “最大摩擦力”是答案吗?
Humans like to choosethe path of least resistance to conserve energy, but actually, tasks that require more effort often feel more meaningful. Friction-maxxing is a new trend which aims to rebuild our tolerance for inconvenience. In a basic sense, this involves adding more 'friction' to tasks so that they require more time, effort or patience, which, in theory, leads to greater feelings of satisfa...
第2982期:The Development Path of Micro-enterprises
Mornings for Khris Teri of Halo Doughnut means it's time to hand make sweet treats, with flavors such as lemon pop, cinnamon affair along with burnt salty. Everything is made from scratch.
对于光环甜甜圈店的克里斯·特里(Khris Teri)来说,早晨是手工制作美味甜点的时间,有柠檬汽水味、肉桂味以及焦盐等口味。所有产品都是从头开始制作的。
So the financial downturn helped me revisit my passion.
经济低迷期帮助我重燃激情。
Unemployed in March, this former video producer with a zeal for cooking, started making doughnuts for friends.
三月份失业后,这位热衷于烹饪的前视频制片人开始为朋友制作甜甜圈。
So one of my best friends said now Khris I think you should sell this, I think you should make this into a business.
我的一个好朋友说:克里斯,我认为你应该卖甜甜圈,你应该把这个做成生意。
Teri started out at her mother's kitchen, but quickly outgrew it. So now she rents space in a shared commercial kitchen.
特里一开始在母亲的厨房制作,但生意很快就发展壮大了。现在她在一个共享商用厨房里租了场地。
Nigerian women learn self-defense.
Nigeria is one of the top 10 most dangerous countries in the world for women.
尼日利亚是全球对女性而言最危险的10个国家之一。
The shortage of laws protecting women is compounded by poor law enforcement and traditions that force women to keep quiet about gender violence.
保护妇女的法律本就匮乏,再加上执法不力以及迫使女性对性别暴力保持沉默的传统观念,情况更是雪上加霜。
Tired of physical abuse, some Nigerian women are now taking self-defense classes.
不再忍受身体虐待,一些尼日利亚妇女现在正在上自卫课程。
It was really high opening. I liked the fact that I could I can protect myself. Yes, at least I can protect myself and if I wanted to attack, I can attack quickly. Yeah, so you went well.
开场真的很精彩。我很喜欢自己能够保护自己这一点。至少我能保护自己,而且如果我想进攻,我也能迅速出击。
In Nigeria, even in a large city like Lagos, women learning to fight for themselves face a lot of criticism.
第2981期:Exoskeleton devices are widely used
Though it appears to have marched straight out of a superhero movie, the Guardian Exoskeleton is ready for work in the real world.
虽然它看起来像是直接从超级英雄电影中走出来的,但“守护者”外骨骼设备已准备好在现实世界中投入使用。
It's a wearable robot that amplifies its user's strength.
这是一款可穿戴机器人,可以增强用户的力量。
Anybody who's wearing the Guardian Exo can lift up to 200 pounds.
任何穿着“守护者”外骨骼设备的人都可以举起两百磅的重量。
It really augments your strength, your performance. You move the way you normally would move.
它确实能增强你的力量。你可以像平时一样活动。
So if you were to go to grab something to lift it, that responds to your movement and gives you that strength to do that activity.
如果你要去拿东西并把它举起来,它会响应你的动作并赋予你完成这项活动的力量。
The Exo carries all the weight and transfers it through its legs to the ground, making 90 kilos feel like only 4.5.
外骨骼承载所有重量并通过其腿部传递至地面,让90公斤感觉仅如4
第2980期:Locusts are devouring crops in East Africa
Farmers in Turkana Kenya face an existential crisis.
肯尼亚图尔卡纳的农民面临着生存危机。
For much of the past year out-of-control swarms of locusts have rampaged through this impoverished region,
过去一年的大部分时间里,失控的蝗虫群在这片贫困地区肆虐,啃食大片庄稼,
eating fields of crops and leaving little to sell or feed the farm animals.
几乎没留下什么可以出售或喂养家畜的东西。
Our elders talked about desert locusts, but this is the first time I've seen them.
我们的长辈们谈论过沙漠蝗虫,但这是我第一次见到它们。
A mother of seven Anna Amurai says locusts deprive animals of the food they need to produce the milk she serves to her family.
七个孩子的母亲Anna Amurai说,蝗虫夺走了牲畜产奶所需的食物,而她正是用这些奶来供养家人的。
It takes several days and we add water to the milk to make enough for the children.
有好几天,我们在牛奶里加水,才够孩子们喝。
第2979期:Malaysia launches a weight loss campaign
At this fitness clinic, a small group of Malaysians try to shed some excess weight.
在这个健身诊所, 一小群马来西亚人试图减肥。
Sarah Baharudin is 35 years old, 165 centimeters tall, and weighs 110 kilos.
莎拉·巴哈鲁丁35岁了,身高165厘米,体重110公斤。
I eat traditional Malay food, and it's high in fat and calorie. And then on top of that, I did not go for any you know active. I was not active.
我吃传统的马来食物,它的脂肪和热量很高。除此之外,我没有进行任何锻炼。我不爱运动。
I was not living an active lifestyle. I did not exercise. So you know, years after years of doing that and becomes obesity.
我不锻炼。年复一年这样做就导致了肥胖。
Her story is all too common across Malaysia. About half of the country's adults are overweight or obese.
她的故事在马来西亚非常普遍。约一半的马来西亚成年人超重或肥胖。
Dr. Noradhiah Tumirin, a physician and fitness
第2978期:Entrepreneurs Gather in Silicon Valley to Discuss Investment in Africa
At the Computer History Museum in the heart of Silicon Valley, people gathered recently at the African Diaspora Investment Symposium to talk about the future of Africa business.
在硅谷中心的计算机历史博物馆,人们最近齐聚非洲侨民投资研讨会,探讨非洲商业的未来。
In the past, many Africans and especially people like me from the diaspora were not invited to the table to really discuss on issues that mattered for the continent.
过去,许多非洲人,尤其是像我这样旅居海外的非洲人,没有被邀请参与真正讨论对非洲大陆至关重要的问题。
So we said, well, what if we can just bring everyone together so we can have that discussion at the same table?
我们就想,如果我们能把所有人聚到一起,让大家围坐一桌进行讨论,会怎么样呢?
Remittances, money set by people living in the U.S. to family in Africa, has long been a key way to support the continent, speaker said.
发言人表示,汇款,即居住在美国的人寄给非洲家人的钱,长期以来一直是支持非洲大陆的关键方式。
But Negash and others said there are other uses of diaspora funds.
但内加什和其他人表示,侨
第2977期:Tens of millions of African children driven into child labor
Grueling work for little pay, that's the daily reality for millions of children across Africa.
做着辛苦的工作,报酬却十分微薄,这就是非洲数百万儿童的日常写照。
The International Labour Organization estimates about 73 million children in Africa are sent out to work because of widespread poverty, insufficient access to education and conflict, some as young as five years old.
国际劳工组织估计,非洲约有7300万儿童因普遍贫困、教育机会不足和冲突而被送去工作,有些年仅五岁。
What we're talking about is work that puts their future in jeopardy whether because their health is on the line.
我们谈论的是危及他们未来的工作,无论是由于他们的健康受到威胁。
They're working in mines, for example, where the imminent danger of a mine collapse or death.
例如,他们在矿井里工作,那里随时可能发生矿井坍塌甚至有生命危险。
Murtada Al-Haj left school in Sudan when he was 12. For him, it was a choice between study or feeding his family.
穆尔塔达·哈吉12岁时就离开了苏丹的学校。对他来说,这是在学习和养活家人之间做出的选择。
第2976期:Is fibre the new fad?
Since its discovery, food businesses have encouraged high-protein diets, according to research by the University of Oregon. Whether it's bars, shakes or even marshmallows, protein has always prevailed in conversations about health and fitness. Some people think that these kinds of diets are a fad because high-protein products appear on supermarket shelves often. However, these diets have slightly stagnated within the realm of wellness.
根据俄勒冈大学的研究,自发现以来,食品企业一直鼓励高蛋白饮食。 无论是能量棒、奶昔甚至棉花糖,蛋白质在有关健康和健身的话题中始终占据主导地位。 有些人认为这种饮食是一种时尚,因为高蛋白产品经常出现在超市货架上。 然而,这些饮食在健康领域略有停滞。
And that's because there's now another food group gaining popularity – fibre. Found in foods like fruits, vegetables, grains, nuts, seeds, and legumes, our enzymes can't break down fibre into nutrients to absorb like it would with other food groups. Instead, it passes through the digestive system, which helps regulate bowel movements. Multiple studies have shown that certain types of fibre can lower cholesterol, help manage blood sugar leve...
第2975期:Brown spots reveal Antarctic penguin problem
In order to survive the cold, emperor penguins must remain on platforms of sea ice for long enough every year to replace weather-beaten feathers with new waterproof coats. Little was known about what is called catastrophic moulting until researchers at the British Antarctic Survey looked at satellite pictures of the frozen continent and spotted brown smudges. They realised they were mounds of feathers. But global warming is now rapidly changing Antarctica.
为了在严寒中生存,帝企鹅每年必须在海冰平台上停留足够长的时间,以将历经风雨的羽毛换成一套全新的防水 “大衣”。此前,人们对帝企鹅这种被称为 “灾难性换羽” 的过程知之甚少,直到英国南极调查局的研究人员看了这片冰封大陆的卫星照片时,发现了一些棕色的斑块。他们意识到这些斑点其实是堆积如山的羽毛。不过,全球变暖正在迅速改变着南极洲。
Satellite images show that after summer sea ice shrank dramatically in 2022 and 23, there were fewer smudges, suggesting many penguins had died in West Antarctica. There is hope that some move to safer ice, but it is another sign of how climate change is endangering some of the world's most vulnerable animals.
卫星图像显示,自夏季海冰于 2022 年和 2023 年大规模缩小之后,棕色斑块的数量有所减少,这表明西南极洲的许多企鹅可能已经死亡。虽然人们仍希望部分企鹅能迁移到更安全的冰面上,但这一迹象再次表明,气候变化正危及世界上一些最脆弱的动物的生存。
第2974期:Teaching tolerance at the school level in the U.S
The students in this class reflect the diverse nature of American society.
这个班的学生反映了美国社会的多样性。
Elizabeth Kleinrock is teaching students how to respect differences and challenge prejudice, racism, social injustice, and learn how to be the agents of change in their own lives.
伊丽莎白·克莱因洛克正在教导学生如何尊重差异、挑战偏见、种族主义和社会不公,并学习如何推动生活变革。
If you can't talk about race comfortably, how are we everyone to end systemic racism in our country?
如果你不能自在地谈论种族问题,我们又怎能共同终结国内的制度性种族主义?
And I think it's really important to have these conversations with children because they have this very clear, pure, less biased way of looking at the world, where they haven't learned that these topics are things that they should be afraid of.
我认为与孩子们进行这些对话非常重要,因为他们看待世界的方式非常清晰、纯粹且较少偏见,他们尚未学会对这些话题产生畏惧。
So they're more willing to sit d
第2973期:Phones specifically designed for children
I wanted one probably for, I don't know, as long as I could think.
我一直都想要一部手机,大概从很早就想要了。
Getting a first cellphone is a rite of passage for many kids around the world, a taste of independence.
对于全球许多孩子来说,拥有第一部手机是一种成长的标志,也是体验独立的开始。
When the bell rings to go home, literally everyone takes out their phones, and they're just like staring down at it.
放学铃声一响,所有人立刻掏出手机,低头盯着屏幕。
But a new phone brings risks. The parents agonize about too much screen time and online predators.
但新手机也带来了风险。家长们为过多的屏幕时间和网络上的潜在危险而苦恼。
When she discovered one of her daughters was being targeted by an adult man on the social media platform designed for kids, Alani Parker was outraged.
当阿兰妮·帕克发现自己的一个女儿在专为儿童设计的社交媒体平台上被一名成年男子盯上时,她感到无比愤怒。
I mean it was so scary because I just had no idea who reall
第2972期:Prevent phones from distracting students.
At this Silicon Valley high school, teachers are locking up students' phones.
在硅谷的这所高中,老师们正在没收学生的手机。
Checking their phones and texting and going on social media, and I would confiscate the phone over and over and over.
检查他们有没有在玩手机、发短信、刷社交媒体,我会一遍又一遍地没收手机。
We were just playing for a night, like on top of the desks with their phones, like in the middle of class.
我们只是晚上玩,手机放在桌子上,就像在课上那样。
We did see some students upwards of like 11, 12 hours of screen time a day.
我们确实看到一些学生每天的屏幕使用时间长达11、12个小时。
Each student now has to stow their phone in this small cloth pouch with a magnetized lock.
现在每个学生都必须把手机放进这个带磁力锁的小布袋里。
This pin, and go right in here, and now it's kind of locked for the day. And then at the end of the day, they find one of these
第2971期:Budapesters are swimming in the Danube
Athletes and organizers in Budapest say the water is fine in the fast-flowing Danube river.
布达佩斯的运动员和组织者说,多瑙河的湍急水流很好。
Here it's the current that many people see is scary or causes them anxiety.
这是许多人看到的令人恐惧或焦虑的急流。
In recent years, we noticed that we Hungarians swim very little in the Danube.
近年来,我们注意到匈牙利人很少在多瑙河上游泳。
The event is part of the Budapest Urban Games where the city's local government encourages using the city's parks, roads and waterways as sporting venues.
该活动是布达佩斯城市运动会的一部分,市政府鼓励将城市的公园、道路和水道用作体育场地。
In past years, concerns about pollution and the Danube kept many swimmers away.
过去几年里,对污染和多瑙河的担忧使许多游泳者望而却步。
But the Urban Games founder and organizer Balazs Mezos says the city cleaned up the river years ago.
但城市运动会的创始人兼组织者Balazs Mezos表示,该市多年前就对这条河流进行了清理。
第2970期:Polar bears getting "fatter and healthier" amid ice loss
There's long been concern about the effect that melting ice was having on their ability to hunt seals, their staple diet. But in the Norwegian Archipelago of Svalbard, something surprising has happened. The bears there have gained weight, and for a polar bear, fatter means healthier. Rising temperatures, though, mean that there are now 100 more ice free days per year in Svalbard than when this study began, so the bears are now hunting on the land.
长期以来,人们一直担心海冰融化会影响北极熊捕食海豹的能力,而海豹正是他们的主食。但在挪威的斯瓦尔巴特群岛,一个令人意想不到的情况发生了。那里的北极熊体重增加了,而对于北极熊来说,更胖就意味着更加健康。不过,不断上升的全球气温也意味着斯瓦尔巴特群岛现在每年平均无冰天数比这项研究开始时增加了 100 天,因此那里的北极熊现在开始在陆地上进行捕食。
This unexpected, good news, scientists say, is temporary. As sea ice recedes more, bears may have to travel further between their hunting grounds, using up valuable fat reserves for energy.
科学家们表示,这个出乎意料的好消息只是暂时的。随着海冰进一步消退,北极熊可能需要往返于更远的猎场之间,迫使它们大量消耗本就宝贵的脂肪储备以获取能量。
第2969期:Is there life on Venus?
For years, astronomers have hypothesised about life beyond Earth, especially on the closest planet to Earth – Venus. Venus is often named the Earth's 'evil twin' because of its extremely hot temperature and greenhouse effect, which make it toxic and inhospitable. It is also similar in size, mass and rocky composition.
多年来,天文学家一直假设地球以外存在生命,特别是在距离地球最近的行星——金星上。 金星经常被称为地球的“邪恶双胞胎”,因为它具有极高的温度和温室效应,使其有毒且不适宜居住。 它的大小、质量和岩石成分也相似。
Though no organic molecules have been discovered on Venus, new findings from the Synthetic Aperture Radar (SAR) instrument on board NASA's Magellan spacecraft shows caves lurking beneath the surface. Researchers from Nature Communications add that these could offer us new ideas about the evolution of Venus – about how it might have possibly supported life in the past or could again in the future.
虽然金星上没有发现有机分子,但美国宇航局麦哲伦航天器上的合成孔径雷达 (SAR) 仪器的新发现显示,金星表面下潜伏着洞穴。 《自然通讯》的研究人员补充说,这些可以为我们提供关于金星演化的新想法...
第2968期:American University Comedy Club
It's taken decades and millions of health workers traveling by foot, boat and any other way they had to immunize children from polio.
经过数十年努力,数百万医务工作者跋山涉水、不辞辛劳,通过步行、乘船等各种必要方式为儿童接种脊髓灰质炎疫苗。
Health workers have even braved conflict to prevent a horribly crippling disease.
卫生工作者甚至冒着冲突的危险来预防这种可怕的致残疾病。
We've made tremendous progress, working with community leaders, sometimes with military officials,
我们取得了巨大进展,与社区领袖合作,有时也与军方官员协作,
to help deliver vaccine to reduce the number of children that were inaccessible due to conflict down to very very small numbers.
帮助运送疫苗,将因冲突而无法接种疫苗的儿童数量降至极低水平。
Twenty years ago, African governments committed to eradicate polio.
20年前,非洲各国政府开始致力于根除脊髓灰质炎。
Since then, nine billion oral polio vaccines have prevented nearly two million cases of wild polio virus on the continent, according to the World Health Organization.
据世界卫生组织称,自那时起,90亿剂口服脊髓灰质炎疫苗已在非洲
第2967期:American University Comedy Club
I'm kind of awkward a lot of the time. Like even like just standing around feels like I'm not supposed to be there.
很多时候我都有点手足无措,比如光是站在那里就让我觉得自己不该在那儿。
So a lot of people would be like, "Are you new here?" I'm just like, "No, I'm just uncomfortable."
很多人会问:“你是新来的吗?”我就说:“不,我只是不太自在。”
So it started five years ago. A guy named Brandon Block was talking to his friend and he's like, "We should have a stand-up comedy club".
俱乐部五年前就成立了。一个叫布兰登·布洛克的家伙跟朋友闲聊时突发奇想:“咱们该开个脱口秀俱乐部”。
And they actually started having shows. It attracts a lot of different people because I think a lot of people want to do this as a hobby.
然后他们开始表演节目了。它吸引了很多不同的人,因为我觉得很多人想把这当作一种爱好。
Members go up and then they deliver their about seven-minute stand-up sets.
成员们上台后,会带来大约七分钟的脱口秀表演。
And li
第2966期:The Singing Golden Gate Bridge
I watched the video and I was like, what a crazy sound. And then after it ended, I like heard the sound in the background.
我看了视频,心想这声音也太不可思议了。 视频结束之后,我好像听到了背景里的声音。
It's quite loud actually. Since then, I've been hearing it almost every afternoon or evening.
其实声音很大。从那以后,我几乎每天下午或者晚上都能听到。
The Golden Gate Bridge has started to sing. The new musical tones that are coming from the Golden Gate Bridge are a known and inevitable phenomenon that stem from our wind retrofit project.
金门大桥又开始唱歌了。从金门大桥传来的新乐声是我们防风改造工程导致的一种已知且不可避免的现象。
It happens during very high winds. We've been replacing handrail on the west sidewalk with new railing that has thin vertical slats that are designed to run more air to flow through them.
一般发生在风力较强的时候。我们一直在更换西侧人行道的扶手,新安装的栏杆采用细长垂直板条设计,这种结构能让更多气流穿过。
One effect of that is that the
第2965期:New technologies help diagnose pancreatic cancer
U.S. Supreme Court Justice Ruth Bader Ginsburg is perhaps the most famous person to survive pancreatic cancer.
美国最高法院法官露丝·巴德·金斯伯格或许是胰腺癌幸存者中最著名的人物了。
She's actually done it twice. Ginsburg's cancer was found early, which is rare.
她实际上两次战胜了病魔。金斯伯格的癌症发现得很早,这种情况实属罕见。
Chemotherapy is one treatment for a pancreatic cancer. But only 9 percent of those who are diagnosed with it are alive five years later.
化疗是胰腺癌的一种疗法。但确诊后五年存活率的患者仅有9%。
The location of the pancreas makes the cancer difficult to detect. The pancreas is at the back of the abdomen.
胰腺的位置使得癌症难以被发现。胰腺位于腹部后方。
It's covered by the stomach and the liver. So cancerous tumors or cysts can't be seen or felt.
它被胃和肝脏所覆盖。癌性肿瘤或囊肿既看不见也摸不着。
And there is one more thing. The cancer doesn't produce any symptoms early on.
此外,早期胰腺癌没有任何症状。
第2964期:How to achieve zero waste
Start with small things: changing over your water bottle to reusable, then do maybe your coffee cup, then work on weaning yourself off paper towels.
从小事做起:把水瓶换成可重复使用的,然后可以换咖啡杯,接着努力戒掉使用纸巾。
And there's different ways, you know. Then, maybe you want to start buying local food and eating less meat.
有不同的方法。也许你会想开始购买本地食材并减少肉类摄入。
I mean, don't think that you have to do everything at one time, to take one step at a time and then it's not as insurmountable or scary.
别想着必须一次性完成所有事情,要一步一步来,这样就不会显得那么难以克服或可怕了。
This is our semi-annual textile drive. So, we run two a year. We also run two e-waste drive, so electronic waste drives, four drives a year.
这是我们每半年举行一次的纺织品促销活动。一年两次。我们还会举办两次电子废物促销活动,也就是一年总共四次活动。
And this one, for this one we partner with Wearable Collecti
第2963期:5 Tips from a Professional Dog Walker
No peeing on plants or mailboxes, that's my rule. This is Gretl, she's just a puppers.
不准在植物或邮箱上撒尿,这是我的规矩。这是格蕾特,她是只小狗。
She is a cavalier king poodle mix. The five most important things to be successful in the dog walking business to me, number one, integrity.
她是一只骑士贵宾犬混血。对我来说,在遛狗业务中取得成功的五个最重要因素,第一是诚信。
It's what you do when nobody is looking. So just you have to be where you are when you say you're gonna be there and follow through.
无人注视时的举动才见真章。你只需言出必行——说到何处便在何处现身,且贯彻始终。
Two, kind of ties into, it is reliability. Where's my girls at? I can't tell somebody I'm gonna be at their house by 2 and show up at 2:30.
第二点和第一点有一些联系,那就是可靠。我的小宝贝们在哪?我不能告诉别人我两点到他们家,结果两点半才出现。
So I'm in constant contact with my clients. I send pictures. I use live Facebook to comfort my clie
第2962期:Thoughts can control devices
This is what your brainwaves look like at any given moment. To the untrained eye, it's just a jumble of lines.
这就是你大脑在任何时刻的脑电波形态。在外行人看来,这不过是一堆杂乱无章的线条。
For AJ Keller and Alex Castillo, it's a treasure trove of data.
对AJ·凯勒和亚历克斯·卡斯蒂略来说,这是一个数据宝库。
The pair have created Notion, a 900-dollar wearable device that captures and processes brainwave signals, transforming thoughts into action.
两人共同研发了Notion这款价值900美元的可穿戴设备,它能捕捉并处理脑电波信号,将思维转化为行动。
There are eight sensors that are imaging the brain 250 times a second.
有八个感应器每秒对大脑进行250次成像。
All of that is instantaneously being processed on the actual headset. Notion is a so-called brain computer.
所有这些数据都会在头戴设备上即时处理。Notion是一种所谓的脑机。
So traditionally brain computer interfaces, they relay their raw data to a computer
第2961期:Pendant linked to King Henry VIII to stay in the British Museum
The 24-carat gold pendant features the Tudor rose and a pomegranate bush, the personal symbol of Katherine of Aragon.
这枚 24K 纯金吊坠上刻有都铎玫瑰和石榴树丛纹饰,后者是 “阿拉贡的凯瑟琳” 的个人象征。
Discovered by a metal detectorist in a field in Warwickshire in 2019, it's believed to be the only surviving piece of jewellery directly linked to Henry VIII's 24-year marriage to Katherine.
这枚吊坠由一位金属探测寻宝爱好者在 2019 年于沃里克郡的一处田野中发现,它被认为是唯一一件存世的、与亨利八世和凯瑟琳 24 年的婚姻有直接关联的珠宝。
The British Museum raised hundreds of thousands of pounds to help pay for the piece through a public appeal. Its director, Nicholas Cullinan, says the response shows how strongly people value Britain's past.
大英博物馆通过公众募捐筹集了上百万英镑以支付购买这件珠宝。大英博物馆馆长尼古拉斯·库里南表示,公众的响应显示出人们对英国历史的高度珍视。
The pendant will join the museum's collection later this year and is expected to tour the UK.
这枚吊坠将在今年晚些时候加入到大英博物馆的藏品行列中,并计划在英国各地巡回展出。
第2960期:The healing power of singing
From singing at concerts to singing 'Happy birthday'. Around the world, humans have been singing in unison for millennia. Some anthropologists even think our ancestors may have sung before they could speak. "Lullabies are sung to children, and then songs are sung at funerals", says Alex Street, from the Cambridge Institute for Music Therapy Research, who thinks that our positive response to music is no accident. Music is not only enjoyable, but beneficial for our health.
从在音乐会上唱歌到唱“生日快乐”。 在世界各地,人类几千年来一直在齐声歌唱。 一些人类学家甚至认为我们的祖先可能在会说话之前就已经唱歌了。 剑桥音乐治疗研究所的亚历克斯·斯特里特说:“给孩子们唱摇篮曲,然后在葬礼上唱歌曲”,他认为我们对音乐的积极反应并非偶然。 音乐不仅令人愉悦,而且对我们的健康有益。
There is growing evidence that singing can energise us, improve immune function and increase feelings of happiness, according to 'A Review of the Physiological Effects and Mechanisms of Singing', published in 2018. It's thought that the repeated and controlled breathing that singing requires releases endorphins, which are chemicals released by the brain associated with pleasure and wellbeing. It may even provide a p...
第2959期:Programmes for those not watching
OK, I'm not proud of it, but sometimes when I'm watching TV, I might not actually be watching. Sometimes I'm just more tempted by my phone. Be honest, do you do the same? If you do, then we're not alone, lots of us watch TV with our phones in our hands. How is TV changing to accommodate this?
好吧,我并不为此感到自豪,但有时当我看电视时,我可能实际上并没有在看。 有时我只是对手机更感兴趣。 说实话,你也这样做吗? 如果您这样做,那么我们并不孤单,我们很多人都拿着手机看电视。 电视如何改变以适应这一点?
Let's start by looking at the data. Studies have investigated different countries across the world and many of them reported that most people use their phone while watching TV. While the classic stereotype is that it's younger people who find it hard to put their phone down, the data actually shows that second-screening is common in most age groups under 55. Younger age groups are more likely to be looking at social med...
第2958期:Kenya solves cactus problem with microbes
In central Kenya, local say people are being driven away from their homes by a cactus.
肯尼亚中部地区有传言称,一种仙人掌正迫使当地居民背井离乡。
Many people have moved out because their goats and cattle are dying. The people of Il Polei and Muneshwara are fleeing to other places. Many have left.
很多人因为山羊和牛不断死亡而搬离,伊尔波莱和穆内什瓦拉的居民正逃往其他地方,许多人已经离开。
The opuntia cactus are spread like a weed, killing off thousands of acres of grassland. Rancher Margaret Mamai says it has destroyed her livelihood.
仙人掌像杂草一样蔓延,毁掉了数千英亩的草原。牧场主玛格丽特·马迈说,这毁了她的生计。
If goats eat the cactus and its fruit, their eyes and mouth are affected. The most effective one is sheep.
如果山羊吃了仙人掌及其果实,它们的眼睛和嘴巴会受到影响。最可怜的是绵羊。
If it eats the cactus, there is no treatment. It dies. Now there is no place for them to graze.
如果它们吃了仙人掌,就无药可医了。它们就死定了。现在它们没有地方吃草了。
Mamai is figh
第2957期:Rome to charge tourists
Millions of people flock to the Trevi Fountain every year to take photos and make a wish as they flip a coin into the water, but there have long been complaints from locals about overcrowding. Now two lanes are being set up: one for residents, who get free access to the fountain, and another for tourists, who have to buy a ticket. The fees will go towards upkeep of the fountain and managing visitors.
每年都有数百万计的游客涌向特雷维喷泉,合影留念并向水中投硬币许愿。然而,当地居民长期以来一直对过度拥挤的人群有所怨言。现在,那里设立了两条专用通道:一条为居民通道,当地居民可免费进入喷泉区域;另一条为游客通道,游客需购买门票方可进入。门票收入将用于喷泉的修缮维护以及游客流量管理。
Tourists will also start paying for access to five other attractions across Rome, including the Napoleonic Museum. Venice already charges some visitors an entry fee on certain days, and with a boom in global tourism, other European cities are considering similar ideas.
游客前往罗马的其它五个景点也将开始付费,包括拿破仑博物馆。威尼斯已经在特定日期向部分游客收取 “进城费”,而随着全球旅游业的迅速增长,其它欧洲城市也在考虑推行类似的收费政策。
第2956期:Shapes and colours of the Moon
You may have heard of the idiom 'once in a blue moon' to describe an event that doesn't happen often. But can the Moon really be blue? Our closest neighbour in this vast galaxy, the Moon, orbits the Earth like a natural satellite. Unlike many of the other planets in our Solar System, ours only has the one moon. If you flew to it, you would land on grey rocks. This is because the lunar surface is made from mostly magnesium, iron and other minerals of that colour. But, if you're lucky to have clear skies under the curtain...
第2955期:Oldest cave art painting
Cave art is seen as a key evolutionary moment, marking the point that humans began to think in truly abstract, symbolic ways. The kind of imagination that underpins language, religion, and science.
洞穴艺术的出现被视作进化史上的一个关键时刻,它标志着人类从这个时间点开始用真正抽象和象征性的方式思考。正是这种想象力,构成了语言、宗教和科学的基石。
Uranium dating confirms that the latest discovery is more than a thousand years older than the previous oldest artwork. It adds to the view that there was no single creative awakening for humanity in a small part of Western Europe, which then spread. Rather, creativity was innate. Evidence for which stretches back to Africa where our species of humans, Homo sapiens, evolved.
铀系测年法确认,最新的发现比先前认为最古老的画作还要早 1000 多年。这一发现进一步支持了这样一个观点:人类创造力的觉醒并非源于西欧的一小块地区,而后扩散传播开来。恰恰相反,创造力是与生俱来的。证明这一点的证据可以追溯到非洲,我们人类的物种——智人最初进化出来的地方。
第2954期:Landscape beneath Antarctica's icy surface revealed
Thanks to data collected by satellites, scientists have a good understanding of Antarctica's icy surface, but what lies beneath has remained more of a mystery. In fact, more is known about the surface of some planets in our solar system than much of what's under the continent's ice.
得益于人造卫星采集到的数据,科学家们对南极洲的冰层表面有良好的认识,但潜藏其下的部分则一直更像是一个谜题。实际上,人类对我们太阳系中一些行星表面的了解甚至超过了对这片大陆冰下世界的认识。
Now, researchers have used a new approach to create what they believe to be the most detailed map of the landscape yet. The ridges, mountains, and channels shape how fast the glaciers above move, and understanding the topography could help scientists work out how quickly the ice might retreat in a warming climate.
现在,研究人员采用了一种新方法,绘制出了他们认为迄今为止最详尽的描绘这片景观的地形图。冰下的山脊、山脉和沟槽决定了上方冰川移动的速度,了解这些地形细节能帮助科学家计算出冰层随着不断变暖的气候可能会以多快的速度消退。
The scientists say m