ディベート・スピーチ・論理的思考に役立つ動画 221選

How Great Leaders Inspire Action | Simon Sinek | TED

Do schools kill creativity? | Sir Ken Robinson | TED

How to Speak So That People Want to Listen | Julian Treasure | TED

Chimamanda Ngozi Adichie: The Danger of a Single Story | TED

How to escape education's death valley | Sir Ken Robinson | TED

How to start a movement | Derek Sivers

Who Is Responsible For Climate Change? – Who Needs To Fix It?

【一気に復習！】英検1級スピーチ17連発！

How to Get Good at Small Talk, and Even Enjoy It

Presentations in English - How to Give a Presentation - Business English

Think Fast, Talk Smart: Communication Techniques

Communication Tips for Non-Native English Speakers

The riddle of experience vs. memory | Daniel Kahneman

Why humans run the world | Yuval Noah Harari | TED

We should all be feminists | Chimamanda Ngozi Adichie | TEDxEuston

How AI Could Save (Not Destroy) Education | Sal Khan | TED

Bryan Stevenson: We need to talk about an injustice | TED

What Earth in 2050 could look like - Shannon Odell

What would happen if everyone stopped eating meat tomorrow? - Carolyn Beans

How statistics can be misleading - Mark Liddell

The Infinite Hotel Paradox - Jeff Dekofsky

TOEFL Take an Interview Task (2026) | Tips, Strategies, and Sample Answers

HOW TO MEMORIZE LINES INSTANTLY (SERIOUSLY)

Bill Gates Harvard Commencement Address 2007

Yurong "Luanna" Jiang Delivers the Graduate English Address | Harvard Commencement 2025

Hank Green Address to MIT Class of 2025

Fred Rogers’ 2002 Dartmouth College Commencement Address

ATSUさんに英検1級の2次試験を受けてもらった結果...

Prof. Swales on Genre & English for Academic Purposes

Linguistics, Style and Writing in the 21st Century - with Steven Pinker

How to Speak

Justice: What's The Right Thing To Do? Episode 01 "THE MORAL SIDE OF MURDER"

5 ways to listen better | Julian Treasure | TED

The best stats you've ever seen | Hans Rosling

The paradox of choice | Barry Schwartz | TED

On being wrong | Kathryn Schulz

Celeste Headlee: 10 ways to have a better conversation | TED

Why you think you're right -- even if you're wrong | Julia Galef

TED's secret to great public speaking | Chris Anderson | TED

The 110 techniques of communication and public speaking | David JP Phillips | TEDxZagreb

How to sound smart in your TEDx Talk | Will Stephen | TEDxNewYork

How to disagree productively and find common ground | Julia Dhar

RSA ANIMATE: Changing Education Paradigms

How to spot a misleading graph - Lea Gaslowitz

The ethical dilemma of self-driving cars - Patrick Lin

Would you sacrifice one person to save five? - Eleanor Nelsen

Plato’s Allegory of the Cave - Alex Gendler

What is the tragedy of the commons? - Nicholas Amendolare

How to use rhetoric to get what you want - Camille A. Langston

History vs. Christopher Columbus - Alex Gendler

5 tips to improve your critical thinking - Samantha Agoos

This tool will help improve your critical thinking - Erick Wilberding

Can you outsmart the slippery slope fallacy? - Elizabeth Cox

Can you outsmart the college admissions fallacy? - Elizabeth Cox

Can you outsmart the fallacy that divided a nation? - Elizabeth Cox

Can you outsmart this logical fallacy? - Alex Gendler

History vs. Genghis Khan - Alex Gendler

History vs. Napoleon Bonaparte - Alex Gendler

How miscommunication happens (and how to avoid it) - Katherine Hampsten

The psychology behind irrational decisions - Sara Garofalo

Mary's Room: A philosophical thought experiment - Eleanor Nelsen

Who am I? A philosophical inquiry - Amy Adkins

What causes an economic recession? - Richard Coffin

What causes economic bubbles? - Prateek Singh

What if there were 1 trillion more trees? - Jean-François Bastin

Climate change: Earth's giant game of Tetris - Joss Fong

Ethical dilemma: Would you lie? - Sarah Stroud

Would you pass the wallet test?

Can you solve the false positive riddle? - Alex Gendler

Your Body Language May Shape Who You Are | Amy Cuddy | TED

How to spot a liar | Pamela Meyer | TED

Why good leaders make you feel safe | Simon Sinek | TED

Optimistic Nihilism

Do we Need Nuclear Energy to Stop Climate Change?

AI Slop Is Destroying The Internet

Do You Have a Free Will?

Why humans are so bad at thinking about climate change

The big debate about the future of work, explained

Why Japanese Railways Win

Arguing is a constructive skill: The blueprint to build yours | Bo Seo: Full Interview

【英検1級スピーチ】SDGsを使った模範解答！【教育編】

【英検1級二次試験】スピーチ中に意識すべき３つのポイントとは？合格のカギはパフォーマンス！

【英検1級面接対策】スピーチに役立つ最強フレーズ5選

【頻出テーマ TOP 5】!!!【英検1級スピーチ】

IELTS Speaking Exam - How to Do Part Three of the IELTS Speaking Test

【完全保存版】英語プレゼンの頻出フレーズ！プレゼンの始めから締めまで全解説

The Art of Active Listening | The Harvard Business Review Guide

How to Speak up in Meetings (and When to Hold Back)

Stand Out in a Job Interview | The Harvard Business Review Guide

How to Get People to Listen to You | The Harvard Business Review Guide

How to Negotiate in English - Business English Lesson

English Job Interview Tips and Tricks - How to Answer Job Interview Questions in English

Impromptu Speaking Frameworks

Use Body Language to Rock Your Next Presentation

Everything you think you know about addiction is wrong | Johann Hari | TED

There's more to life than being happy | Emily Esfahani Smith | TED

Are we in control of our decisions? | Dan Ariely

A kinder, gentler philosophy of success | Alain de Botton

How a handful of tech companies control billions of minds every day | Tristan Harris

How AI can save our humanity | Kai-Fu Lee

What happens when our computers get smarter than we are? | Nick Bostrom

School strike for climate - save the world by changing the rules | Greta Thunberg | TEDxStockholm

The price of shame | Monica Lewinsky | TED

Looks aren't everything. Believe me, I'm a model. | Cameron Russell | TED

Why our screens make us less happy | Adam Alter

Quit social media | Dr. Cal Newport | TEDxTysons

Bring on the learning revolution! | Sir Ken Robinson

Connected, but alone? | Sherry Turkle

How CRISPR lets us edit our DNA | Jennifer Doudna

Innovating to zero! | Bill Gates

The case for optimism on climate change | Al Gore

How the oceans can clean themselves: Boyan Slat at TEDxDelft

Is the world getting better or worse? A look at the numbers | Steven Pinker

Poverty isn't a lack of character; it's a lack of cash | Rutger Bregman

The art of choosing | Sheena Iyengar | TED

Build a tower, build a team | Tom Wujec

I'm not your inspiration, thank you very much | Stella Young

My Escape from North Korea | Hyeonseo Lee | TED

Choice, happiness and spaghetti sauce | Malcolm Gladwell

How to Raise Successful Kids -- Without Over-Parenting | Julie Lythcott-Haims | TED

Why we have too few women leaders | Sheryl Sandberg

Beware online "filter bubbles" | Eli Pariser

The Inside Story of ChatGPT’s Astonishing Potential | Greg Brockman | TED

Why AI Is Incredibly Smart and Shockingly Stupid | Yejin Choi | TED

TEDxEast - Nancy Duarte uncovers common structure of greatest communicators 11/11/2010

What adults can learn from kids | Adora Svitak

Hackschooling makes me happy | Logan LaPlante | TEDxUniversityofNevada

Tim Harford: Trial, error and the God complex

Ernesto Sirolli: Want to help someone? Shut up and listen!

The danger of silence | Clint Smith | TED

Don't fear intelligent machines. Work with them | Garry Kasparov

The danger of AI is weirder than you think | Janelle Shane

How I'm fighting bias in algorithms | Joy Buolamwini

The most important thing you can do to fight climate change: talk about it | Katharine Hayhoe

Hans Rosling: Global population growth, box by box

Brian Goldman: Doctors make mistakes. Can we talk about that?

Sugata Mitra: Build a School in the Cloud

The rise and fall of the Berlin Wall - Konrad H. Jarausch

The history of the Cuban Missile Crisis - Matthew A. Jordan

What are tariffs, and how do they work?

Why is it so hard to escape poverty? - Ann-Helén Bay

Can the economy grow forever?

Is inequality inevitable?

Ethical dilemma: Should knowledge be free? - Michael Vazquez and Will Kanwischer

If you had the chance to be immortal, would you take it? - Sarah Stroud and Michael Vazquez

Plato’s infamous Ship of State thought experiment - Michael Vazquez

You can only save one— who do you choose? - Doug MacKay

Is math discovered or invented? - Jeff Dekofsky

How to outsmart the Prisoner’s Dilemma - Lucas Husted

The paradox at the heart of mathematics: Gödel's Incompleteness Theorem - Marcus du Sautoy

Can you solve the prisoner boxes riddle? - Yossi Elran

Should you trust your first impression? - Peter Mende-Siedlecki

The dark history of IQ tests - Stefan C. Dombrowski

How to choose your news - Damon Brown

Do tax cuts stimulate the economy? - Jonathan Smith

Is capitalism actually broken?

How economic inequality harms societies - Richard Wilkinson

Ethical dilemma: Whose life is more valuable? - Rebecca L. Walker

Ethical dilemma: Who should you believe? - Alex Worsnip

How to Score a 5 on TOEFL Academic Discussion (2026)

TOEFL Speaking 2026: Take an Interview - Guide, Strategies, Sample Answers

【TOEFL新形式 ライティング】改訂後も継続「Academic Discussion」問題形式・攻略法・サンプル回答を解説

How to Memorize a Speech

HOW TO MEMORIZE A SPEECH OR TEXT

A national memory champion explains how to remember a speech

Should you trust unanimous decisions? - Derek Abbott

What’s the best way to lift people out of poverty?

This could save lives— but are you willing to do it? - Michael Vazquez and Sarah Stroud

2019 Stanford Commencement address by Tim Cook

Bill and Melinda Gates' 2014 Stanford Commencement Address

2023 Stanford Commencement speech by John McEnroe

Chimamanda Adichie, 2019 Yale Class Day Speaker

Jacinda Ardern, 2025 Yale Class Day Speaker

Princeton Baccalaureate 2012: Michael Lewis

Dartmouth’s 2018 Commencement Address by Mindy Kaling ’01

Shonda Rhimes '91 Delivers Dartmouth's Commencement Speech

2025 Commencement Address by Sandra Oh

Steve Carell's Commencement Address to the Northwestern Class of 2025

Jerry Seinfeld | Duke's 2024 Commencement Address

Coach Mike Krzyzewski's 2016 Commencement Speech at Duke University

Grant Hill | Duke's 2025 Commencement Address

Dartmouth's 2022 Commencement Address by Russell Wilson

2026 CMU Commencement Keynote Speaker: Jensen Huang

英検1級面接対策【流れ・コツ・注意点・勉強法】

【英検1級 面接】英検1級二次試験（面接）攻略法

【英検1級】ネイティブスピーカーに英検スピーキングテストをやらせてみた。 【英語字幕あり】

TOEIC Speaking: How to CORRECTLY Express Your Opinion

TOEIC Writing Tips: Writing an Opinion Essay

Discussion activities for teaching English

Ask us anything about communicative tasks

3 Ways to Support Academic Talk Among Students

25 ESL Roleplay Ideas for the Classroom

How to Use Role-Plays in ESL Speaking and Conversation Classes | Role-Playing in TEFL Classes

60-Second Strategy: Community Circles

60-Second Strategy: Fishbowl Discussion

Activating Prior Knowledge With Hexagonal Thinking

Academic Skills - Presenting Effectively - Part 1

What is an Academic Presentation?

Effective Presentations Introduction (APA / Harvard)

Warming Up Cold Calling by Writing Ideas Down First

The Art of Reading Minds | Oz Pearlman | TED

The Free Will Debate | Intelligence Squared

The Bayesian Trap

What Is Consciousness?

Juvenoia

What food companies don't want you to know

Can we build AI without losing control over it? | Sam Harris

Gaming can make a better world | Jane McGonigal

Margaret Heffernan: Why it's time to forget the pecking order at work

Learning from dirty jobs | Mike Rowe

How to green the world's deserts and reverse climate change | Allan Savory

We're building a dystopia just to make people click on ads | Zeynep Tufekci

How to get empowered, not overpowered, by AI | Max Tegmark

What Is an AI Anyway? | Mustafa Suleyman | TED

A guerilla gardener in South Central LA | Ron Finley

This could be why you're depressed or anxious | Johann Hari | TED

3 principles for creating safer AI | Stuart Russell

The era of blind faith in big data must end | Cathy O'Neil

How childhood trauma affects health across a lifetime | Nadine Burke Harris | TED

The single biggest reason why start-ups succeed | Bill Gross | TED

Teach every child about food | Jamie Oliver