Being caught talking to yourself can feel embarrassing, and some people even stigmatize this behavior as a sign of mental instability. But decades of research show that talking to yourself is completely normal; most if not all of us engage in some form of self-talk every day. So why do we talk to ourselves? And does what we say matter? Dig into the psychological benefits of positive self-talk. [Directed by Avi Ofer, narrated by Alexandra Panzer, music by Salil Bhayani, cAMP Studio].

被发现自言自语会让人感到尴尬，有些人甚至将这种行为视为精神不稳定的表现。但是几十年的研究表明，自言自语是完全正常的行为；大多数人每天都会以某种形式进行自我交流。那么我们为什么会自言自语呢？我们说的话是否重要呢？深入了解积极自我对话的心理益处。

Our leaders and institutions are failing us, but it's not always because they're bad or unethical, says venture capitalist John Doerr -- often, it's simply because they're leading us toward the wrong objectives. In this practical talk, Doerr shows us how we can get back on track with "Objectives and Key Results," or OKRs -- a goal-setting system that's been employed by the likes of Google, Intel and Bono to set and execute on audacious goals. Learn more about how setting the right goals can mean the difference between success and failure -- and how we can use OKRs to hold our leaders and ourselves accountable.
我们的领导者和机构正在辜负我们，但是这并不都是因为他们是邪恶或是不道德的，风险投资人约翰·杜尔（John Doerr）如是说——通常，这只是因为他们在带领我们走向错误的目标。在这场演讲中，杜尔讲解了如何通过“目标及关键成果”（OKRs）让一切重回正轨，这种目标设定方法被谷歌、英特尔以及博诺等企业积极采纳，以实现大胆的目标。了解更多关于设定目标如何决定成败，以及我们可以怎样使用OKRs来敦促我们的领导者和自己承担责任。
杜尔是一位工程师、著名风险投资家、Kleiner Perkins 董事长，也是《速度与规模》和《衡量重要的事情》的作者。

Have you ever wanted to read someone's mind? Mentalist Oz Pearlman is billed as one of the world's greatest mind readers ... and yet, he says he doesn't have any special powers. In this spectacular talk meets psychic-inspired magic show, he demonstrates his skills on a live audience in the theater — and shows how anyone can learn the principles of mentalism.
你有没有想过读懂别人的心思？心理医生奥兹·皮尔曼（Oz Pearlman）被誉为世界上最伟大的读心术者之一……然而，他说他没有任何特殊的力量。在这场壮观的演讲与通灵灵感的魔术表演中，他在剧院的现场观众面前展示了他的技能，并展示了任何人如何学习唯心论的原则。

The one thing all humans have in common is that each of us wants to be happy, says Brother David Steindl-Rast, a monk and interfaith scholar. And happiness, he suggests, is born from gratitude. An inspiring lesson in slowing down, looking where you're going, and above all, being grateful.
大卫·斯坦尔德-拉斯特(David Steindl-Rast)是一位和尚，也是研究多种信仰的一名学者。他说，想要变得快乐是人类共有的期待。快乐，是从感恩中获得的。这是一个可以带来启发的演说，让我们慢下来，看看你要走向何方，最重要的是，学会感恩。

Math is logical, functional and just ... awesome. Mathemagician Arthur Benjamin explores hidden properties of that weird and wonderful set of numbers, the Fibonacci series. (And reminds you that mathematics can be inspiring, too!)

数学不仅仅是一堆逻辑和函数，它还可以很酷。数学家亚瑟·本杰明（Arthur Benjamin）向我们展示了斐波纳契数列的隐含魅力，以及种种看起来很神奇的巧合（同时提醒你，数学也可以是激动人心的！）
亚瑟·本杰明让数字翩翩起舞。在他的日常工作中，他是哈维穆德学院的数学教授;在他的另一份日常工作中，他是一名“数学魔术师”，穿着燕尾服登台表演高速心算、记忆和其他令人惊叹的数学特技。这是他追随马丁·加德纳等英雄的脚步，以有趣的方式教授数学和思维敏捷性的动力的一部分。
本杰明是与迈克尔·谢尔默 （Michael Shermer） 合著的《心算的秘密》（Secrets of Mental Math），也是 MAA 获奖书《真正重要的证明：组合证明的艺术》的合著者。要了解他广泛的数学方法，请参阅他网站上的研究演讲列表，该演讲在高级数学（例如他 2004 年在麻省理工学院发表的“范德蒙德行列式和斐波那契锯”）和为我们其他人提供引人入胜的数学演讲（“一个惊人的数学纸牌戏法”）之间摇摆不定。

Ethanol: this molecule, made of little more than a few carbon atoms, is responsible for drunkenness. Often simply referred to as alcohol, ethanol is the active ingredient in alcoholic beverages. So how exactly does it cause drunkenness, and why does it have dramatically different effects on different people? Judy Grisel explores alcohol's journey through the body. [Directed by Anton Bogaty, narrated by Bethany Cutmore-Scott].
乙醇，一种由碳原子组成的分子小颗粒，是让人产生醉意的关键因素。乙醇通常简称为酒精，是含酒精饮料中的重要成分。那么乙醇是怎样让人产生醉意的？为什么它对不同人的影响会有天壤之别？朱迪·格里瑟尔（Judy Grisel）带我们探索了酒精在人体内的旅程。
朱迪·格里塞尔是教育家、心理学教授，神经科学与成瘾研究员，《永远不够》作者。

Humans should urinate at least four to six times a day, but occasionally, the pressures of modern life force us to clench and hold it in. How bad is this habit, and how long can our bodies withstand it? Heba Shaheed takes us inside the bladder to find out. [Directed by Artrake Studio, narrated by Julianna Zarzycki].
人一天至少需要排尿4到6次，但是偶然情况下，都市生活的压力迫使我们要憋着尿。这个习惯有多坏？我们能憋多长时间？赫巴·沙希德(Heba Shaheed)带我们来看看膀胱的内部找出答案。 

In life's toughest moments, how do you go on living? Kate Bowler has been exploring this question ever since she was diagnosed with stage IV cancer at age 35. In a profound, heartbreaking and unexpectedly funny talk, she offers some answers -- challenging the idea that "everything happens for a reason" and sharing hard-won wisdom about how to make sense of the world after your life is suddenly, completely changed. "I believe that in the darkness, even there, there will be beauty and there will be love," she says.
在生活最困难的时刻，你是如何坚持下去的？自从在35岁时被诊断出罹患四期癌症，凯特·鲍勒（Kate Bowler）就一直在探寻这个问题的答案。在一场深远、令人心碎而又意外有趣的演讲中，她提供了一些答案——怀疑“一切都事出有因”的说法，并分享她来之不易的生命智慧：当你的生活发生了翻天覆地的变化时，要如何去适应。“我相信即使是在最黑暗的时刻，美好与爱依旧存在。“她如是说。
在 35 岁时被诊断出患有 IV 期癌症后，杜克大学终身教授兼作家凯特·鲍勒 （Kate Bowler） 发起了一场全国性的对话，讨论为什么坦率地谈论痛苦如此困难。她在《纽约时报》畅销回忆录《一切都有原因：我爱过的其他谎言》和她广受欢迎的播客《一切都发生了》中深入探讨了我们如何生活和应对痛苦和苦难。她还是《有福：美国繁荣福音史》一书的作者，该书作为第一部基于神圣对健康、财富和幸福的承诺的运动历史而受到媒体和学术界的广泛关注。她曾出现在 NPR 和 The TODAY Show、Amanpour & Company 以及《纽约时报》、《华盛顿邮报》和《时代》杂志上。她的作品也受到了各种宗教和政治出版物的赞扬，从自由派印刷媒体到保守派谈话电台。

本集起，左右对照格式的文档在页面右侧留白，方便学习时进行批注。上下对照格式不变。

When you look at sporting achievements over the last decades, it seems like humans have gotten faster, better and stronger in nearly every way. Yet as David Epstein points out in this delightfully counter-intuitive talk, we might want to lay off the self-congratulation. Many factors are at play in shattering athletic records, and the development of our natural talents is just one of them.
当你回顾过去十年的运动成就时，看起来人类似乎已经在几乎每种道路上做到了更好，更快，更强。但大卫·爱泼斯坦 （David Epstein）在他惊人理性的谈话里指出，我们或许该停止自我陶醉了。在比赛中有很多因素都会影响运动记录，而我们的体质自然进步只是其中之一。
大卫·爱泼斯坦 （David Epstein） 是畅销书《范围：为什么通才在专业世界中取得胜利》和《运动基因：非凡运动表现的科学内部》的作者。他之前是 ProPublica 的记者，他的调查报道涵盖了贩毒集团和糟糕的医疗实践。在此之前，他是《体育画报》的高级撰稿人，在那里他撰写或合着了该杂志许多最引人注目的故事。在获得环境科学硕士学位期间，爱泼斯坦住在太平洋的一艘船上和北极的帐篷里。他目前在 Range Wide 时事通讯中撰写有关人类表现科学的文章。

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Physicist Werner Heisenberg said, "When I meet God, I am going to ask him two questions: why relativity? And why turbulence? I really believe he will have an answer for the first." As difficult as turbulence is to understand mathematically, we can use art to depict the way it looks. Natalya St. Clair illustrates how Van Gogh captured this deep mystery of movement, fluid and light in his work. [Directed by Avi Ofer, narrated by Addison Anderson].
物理学家维尔纳·海森堡曾说：“如果我见到上帝，我要问他两个问题：为什么创造相对论？为什么创造湍流？我相信他对前者有个解释。“因为用数学去解释湍流很困难，所以我们可以用艺术描绘它的样子。娜塔莉娅·圣克莱尔将告诉我们梵高是如何在他的作品里捕捉这光影流动的奥秘。