TED演讲精选

When conservationists talk about rewilding, most people picture wolves and bison roaming endless landscapes — but Isabella Tree discovered the real revolution is happening in ordinary backyards. She shares the incredible story of how she and her husband transformed their failing farmland into a nature paradise, offering a three-step formula for anyone looking to turn their green space wild. 当环保...

More than 8,000 satellites orbit Earth, taking photos every day. Food security specialist and TED Fellow Catherine Nakalembe shows how she uses this imagery to help smallholder farmers across Africa prepare for floods, droughts and crop failures. Learn why real innovation isn’t always about shinier technology — it’s about making the tech truly fit the problem it’s solving. 超过 8000 颗卫星绕地球运...

Humans have been coming up with ways to give constructive criticism for centuries, but somehow we're still pretty terrible at it. Cognitive psychologist LeeAnn Renninger shares a scientifically proven method for giving effective feedback. 数百年来人类不断尝试着各种进行建设性批评的方式，可不知为何，我们至今任没有找到诀窍。认知心理学家丽安·雷宁格（LeeAnn Renninger）在此分享了一个经科学证实有效的提供...

Oceanographer Penny Chisholm introduces us to an amazing little being: Prochlorococcus, the most abundant photosynthetic species on the planet. A marine microbe that has existed for millions of years, Prochlorococcus wasn't discovered until the mid-1980s -- but its ancient genetic code may hold clues to how we can reduce our dependence on fossil fuels. 海洋学家彭妮・奇肖尔姆（Penny Chisholm）向我...

Our bodies are covered in a sea of microbes -- both the pathogens that make us sick and the "good" microbes, about which we know less, that might be keeping us healthy. At TEDMED, microbiologist Jonathan Eisen shares what we know, including some surprising ways to put those good microbes to work. 我们的身体上覆盖了海量的微生物——其中有致病的病原体，也有我们了解甚少，可能在维持我们健康的“好”微生物。...

Rob Knight is a pioneer in studying human microbes, the community of tiny single-cell organisms living inside our bodies that have a huge — and largely unexplored — role in our health. “The three pounds of microbes that you carry around with you might be more important than every single gene you carry around in your genome,” he says. Find out why. 罗布·奈特（Rob Knight）是一个人类微生物学的开拓者...

中文演讲在这里： 卜秋静：书籍如何成为心灵解药（中文演讲） What happens when a dream you've held since childhood ... doesn't come true? As Lisa Bu adjusted to a new life in the United States, she turned to books to expand her mind and create a new path for herself. She shares her unique approach to reading in this lovely, personal talk about the magic of books. 当你从小就有的梦想无法成真，该怎么办...

Rituals for the dead span much of the natural world, seen in practices from humans and elephants to bees, dolphins and beyond. With charm and playful insight, animal behaviorist Kaeli Swift delves into the life (and death) habits of crows and shares what their responses could reveal about our own relationship to mortality. 为死者举行仪式在大自然中很普遍，我们可以在人类、大象、密蜂、海豚等动物的行...

Austrian physicist Erwin Schrödinger, one of the founders of quantum mechanics, posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hour, what will be the state of the cat when that time is up? Chad Orzel investigates this thought experiment. [Directed by Agota Vegso, narrated by Addison Anderson]. 奥地利物理学家埃尔文·薛...

我们对压力的一系列反应是为了给我们更迅速的反应能力以及更好的执行力。但是压力并不完全是有好处的。当我们受到过于长时间和频繁的压力刺激时，会严重地损害我们身体的各个部分。莎朗·霍雷什·伯格奎斯特 （Sharon Horesh Bergquist）带领我们了解了当我们受到慢性压力时身体内部发生的一系列变化。

What makes music “real” — is it the instruments, the voice, the creator’s intention or something else entirely? Dustin Ballard, the creative force behind the viral channel “There I Ruined It,” explores the weird, wonderful and sometimes unsettling ways AI is reshaping music. With fiddle solos and AI-powered mashups of your favorite songs, he invites us to ask: Are new tools fostering creativity, o...

In order to reattach a severed limb after an accident, a number of things need to go right— and quickly. A clean cut, properly preserving the limb, and getting it to a skilled surgeon in time are just a few of these challenges. And unfortunately, there are countless complications that come up with most accidental amputations. So, when is limb reattachment possible? Jason Hoellwarth investigates. [...

In an engaging and personal talk -- with cameo appearances from his grandmother and Rosa Parks -- human rights lawyer Bryan Stevenson shares some hard truths about America's justice system, starting with a massive imbalance along racial lines: a third of the country's black male population has been incarcerated at some point in their lives. These issues, which are wrapped up in America's unexamine...

Alain de Botton examines our ideas of success and failure -- and questions the assumptions underlying these two judgments. Is success always earned? Is failure? He makes an eloquent, witty case to move beyond snobbery to find true pleasure in our work. 阿兰·德波顿（Alain de Botton）检视我们对成功和失败的看法，质疑它们所代表的意义。成功都是配得的吗？失败呢？听他机智地解答我们对成功的迷思，帮助我们...

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. [Di...

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 a...

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...

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...

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...

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, narrat...

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...

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, co...

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...

获取全套TED资料（音频、视频、英中双语对照文本），请关注公众号【悦读烩】 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 c...

Neurologist and author Oliver Sacks brings our attention to Charles Bonnet syndrome -- when visually impaired people experience lucid hallucinations. He describes the experiences of his patients in heartwarming detail and walks us through the biology of this under-reported phenomenon. 奥利弗·萨克斯 （Oliver Sacks） 是一位神经学家和作家。他将带我们认识邦纳症候群，也就是视力受损的人产生鲜明幻觉。他...