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Exercise. We know it's great, both for our physical and mental health, and it's one of the easiest ways to feel better. The recommendation for most adults is to do 150 minutes of moderate exercise a week. However, the UN has estimated that 1.8 billion people across the world don't manage to do this. So, what's stopping us?
锻炼。 我们知道这对我们的身心健康都有好处，而且是让我们感觉更好的最简单的方法之一。 对于大多数成年人的建议是每周进行 150 分钟的适度运动。 然而，联合国估计全世界有 18 亿人无法做到这一点。 那么，是什么阻止了我们？

We may have evolved to avoid exercise. According to evolutionary biologist Daniel Lieberman, because early humans needed energy for hunting, we developed an instinct not to waste this energy on seemingly pointless exercises. Of course, now our lifestyles have changed dramatically, but this instinct remains to some degree, pulling us towards our sofas. We naturally like to relax.
我们可能已经进化到避免锻炼。 根据进化生物学家丹尼尔·利伯曼的说法，由于早期人类需要能量来狩猎，因此我们形成了一种本能，不会将这些能量浪费在看似毫无意义的锻炼上。 当然，现在我们的生活方式已经发生了巨大的变化，但这种本能在某种程度上仍然存在，将我们拉向沙发。 我们自然喜欢放松。

Often we have to fight against our habits. Many of us will have developed a habit of inactivity and changing this is hard. Psychologist Brad Stennerson tells us that some research shows it can take at least six weeks to make an exercise routine habitual. The good news is that once we make exercise a habit, it's a lot easier to keep going. It may be that what we need to focus on are the cues that lead us to start exercising. This could be the time of day, or the start or finish of another activity. Psychology professor Alison Phillips calls this the instigation habit, and her research suggests that is key to develop an exercise routine. If you decide that you will do exercise as soon as you finish work, this may make it easier to stick to.
我们常常必须与自己的习惯作斗争。 我们中的许多人都养成了不活动的习惯，而改变这种习惯很难。 心理学家布拉德·斯坦纳森告诉我们，一些研究表明，至少需要六周的时间才能使锻炼习惯成为习惯。 好消息是，一旦我们养成锻炼的习惯，坚持下去就会容易得多。 也许我们需要关注的是引导我们开始锻炼的线索。 这可能是一天中的某个时间，也可能是另一项活动的开始或结束。 心理学教授艾莉森·菲利普斯（Alison Phillips）将此称为“煽动习惯”，她的研究表明，这是养成锻炼习惯的关键。 如果您决定一完成工作就进行锻炼，这可能会更容易坚持下去。

Let's not forget that exercise feels like hard work. And in fact, it's starting it that often feels the worst. This is because your muscles suddenly demand energy and your body has to work out where to get it from. Sport scientist Richard Taylor explains that it can take 10-15 minutes for your body to find an equilibrium and provide the muscles' needs easily. One thing to remember is that exercise doesn't necessarily need to be highly intensive. The recent trend in South Korea for slow jogging, where people jog at a slow enough speed to chat comfortably, helps to remind us that big health gains can be found by moving from no activity to some activity.
我们不要忘记，锻炼感觉就像是艰苦的工作。 事实上，一开始的感觉往往是最糟糕的。 这是因为您的肌肉突然需要能量，而您的身体必须弄清楚从哪里获取能量。 运动科学家 Richard Taylor 解释说，您的身体可能需要 10-15 分钟才能找到平衡并轻松满足肌肉的需求。 要记住的一件事是，锻炼不一定需要高强度。 韩国最近流行慢跑，人们以足够慢的速度慢跑，以便舒适地聊天，这有助于提醒我们，从不活动到进行一些活动可以对健康带来巨大的好处。

If you're looking to start an exercise regime, most experts offer the same advice. Find something that you enjoy. Start with small goals and try to stay consistent. That makes it easier to build up a habit and before you know it, it will be part of your routine.
如果您想开始锻炼计划，大多数专家都会提供相同的建议。 找到你喜欢的东西。 从小目标开始，并努力保持一致。 这使得养成习惯变得更容易，在你意识到之前，它就会成为你日常生活的一部分。

Bluefin tuna are one of the ocean's top predators. These warm-blooded fish can weigh as much as a grand piano. Ten years ago, sightings were very rare. Now they come to the UK in their thousands in the late summer and autumn.
蓝鳍金枪鱼是海洋中的顶级掠食者之一。这种温血鱼类的体重最高可达一架三角钢琴的重量。十年前，人们很少在英国海域发现蓝鳍金枪鱼。如今，每逢夏末秋初，便有数以千计的蓝鳍金枪鱼洄游到英国海域。

WWF says the turnaround proves targeted conservation efforts can work. It points to the recovery of tigers, green turtles and African elephants as other examples of success. But these are the exceptions, the charity warns. It estimates the thousands of wildlife populations it monitors around the world have fallen by an average of 73% since 1970.
世界自然基金会表示，这一积极转变证明，有针对性的保护工作能够取得成效。报告指出，老虎、绿海龟和非洲象的种群恢复同样是保护工作的成功案例。但该慈善机构警告称，这类成功案例仍属少数例外。该组织估计，自 1970 年以来，其在全球范围内监测的数千个野生动物种群数量平均下降了 73%。

The notable finding here is not so much that Swiss glaciers are shrinking, which is to be expected in our warming climate. What is extraordinary is the sheer pace of melting. Researchers estimate that Swiss glaciers released more than two trillion litres of water between July and September.
瑞士冰川正在不断萎缩本身并不是这项研究最引人关注的发现，因为在气候变暖的背景下，出现这种情况已在意料之中。真正不同寻常的是这些冰川消融的惊人速度。研究人员估计，瑞士冰川在 7 月至 9 月期间释放了超过两万亿升融水。

This ice lost to summer melting is far outpacing any gains from winter snowfall. Scientists say the sobering truth is that the climate is now too warm for many Alpine glaciers to survive.
夏季融化造成的冰量流失远远超过冬季降雪带来的增量。科学家表示，一个令人警醒的现实是，如今的气候已经过于温暖，许多阿尔卑斯山的冰川无法存续。

But researchers stress that sharp cuts to carbon emissions can still save much of the planet's glacier ice. They say this is crucial for the hundreds of millions of people worldwide who rely on the water from glaciers for farming, hydropower or drinking, as well as to limit sea level rise.
不过，研究人员强调，如果能够大幅削减碳排放，仍能保住地球上大部分冰川冰量。他们表示，这一点至关重要，因为全球有数亿人依靠冰川融水进行农业生产、水力发电和获取饮用水；同时对限制海平面上升也具有重要意义。

Rocketing to the red planet, Japan's deep space mission takes flight: a daring five-year round trip to explore the mysterious moons of Mars.
伴随着飞向红色星球，日本的深空任务正式开启：这是一项大胆的太空探索计划，整个往返任务历时五年，旨在探索火星神秘的卫星。

The unmanned mission aims to be the first to bring back samples from the Martian system.
这项无人探测任务的目标是成为首个从火星系统带回样本的任务。

It'll take the spacecraft about a year to get there.
飞船大约需要一年的时间才能抵达那里。

It'll spend three years studying Phobos -- the larger of the two potato-shaped moons -- before landing,
它将花三年时间研究火卫一--火星两颗形似土豆的卫星中较大的一颗--随后着陆，

Collecting dust and rock samples, and then returning to Earth, landing at Woomera in South Australia in 2031.
采集尘埃和岩石样本，然后返回地球，并于2031年在南澳大利亚的伍默拉着陆。

"Those samples will offer a unique window into the history of Mars and the early solar system."
“这些样本将为我们了解火星的历史以及太阳系早期的历史提供一个独特的窗口。”

Scientists hope the unique mission will help explain some of space's enduring questions: how did the moons form, and what are they made of?
科学家们希望，这项独特的任务能够帮助解答一些长期困扰人类的太空谜题：火星的卫星是如何形成、由什么构成的？

"By understanding the Mars system, we can better understand our place in the universe."
“通过了解火星系统，我们能够更好地认识自己在宇宙中的位置。”

Paradigm-shifting science as NASA prepares to send the first humans to Mars.
随着美国国家航空航天局准备将首批人类送往火星，这项科学探索有望带来颠覆性的科学突破。

Japan isn't the only nation racing towards the red planet. China aims to launch in 2028.
日本并非唯一一个竞相奔赴这颗红色星球的国家。中国也计划于2028年发射探测任务。

French Prime Minister Sébastien Lecornu has announced a major police presence will be deployed on the country's streets this weekend amid further expected protests.
法国总理塞巴斯蒂安·勒科尔尼日前宣布，鉴于预计本周末还将发生更多抗议活动，法国街头将部署大批警力。

France has seen weeks of unrest and a show of anger against grievances including rising cost of living and conditions of France's education system.
最近几周以来，法国持续发生社会动荡，人们对生活成本不断上升、法国教育体系的现状等不满问题表达了愤怒。

Last weekend, demonstrations escalated into violence as marches were hijacked by groups of masked rioters who started fires, smashed storefronts and looted shops.
上周末，抗议活动升级为暴力事件，一些游行活动遭到蒙面暴徒团伙的干扰，他们纵火、砸毁商店的临街橱窗，并洗劫商店。

French authorities announced partial curfews on Monday, banning public gatherings in some areas of Paris and other cities after 9 p.m.
周一，法国当局宣布实施部分宵禁措施，禁止巴黎及其他城市部分地区在晚上9点后举行公众集会。

French Interior Minister Laurent Nuñez said some military forces would be deployed on static guarding duties to free up police for the expected demonstrations.
法国内政部长洛朗·努内兹表示，部分军队将被部署到固定地点执行警戒任务，以便腾出警力应对预计发生的抗议活动。

He added that he was also considering banning demonstrations that have not been declared and could lead to public disorder.
他还补充说，他正在考虑禁止那些未经申报、可能引发公共秩序混乱的示威活动。

In a country with strong protest culture, rioting is not uncommon and is often sparked as a response to police violence, some experts say.
一些专家表示，在一个抗议传统深厚的国家，骚乱并不少见，而且往往是对警察暴力行为作出的反应。

Government critics and human rights campaigners have alleged that police tactics in the last month have been unnecessarily violent.
政府批评人士和人权活动人士指称，过去一个月里，警方采取的执法手段存在不必要的暴力行为。

Much of the criticism focuses on rubber bullet launchers, known in France as LBDs, and stun grenades, which critics blame for serious injuries to protesters.
许多批评主要针对橡皮子弹发射器（在法国称为 LBD）和震撼弹，批评人士认为，这些装备导致抗议者严重受伤。