"A record of our emotional life is written on our hearts," says cardiologist and author Sandeep Jauhar. In a stunning talk, he explores the mysterious ways our emotions impact the health of our hearts -- causing them to change shape in response to grief or fear, to literally break in response to emotional heartbreak -- and calls for a shift in h...

Great, practical advice on ways to responsibly invest (time, money, and even your company's data) for the good of our global society.

What's haunting Carrie Poppy? Is it ghosts or something worse? In this talk, the investigative journalist narrates her encounter with a spooky feeling you'll want to warn your friends about and explains why we need science to deal with paranormal activity.

In an unmissable talk about race and politics in America, Theo E.J. Wilson tells the story of becoming Lucius25, white supremacist lurker, and the unexpected compassion and surprising perspective he found from engaging with people he disagrees with. He encourages us to let go of fear, embrace curiosity and have courageous conversations with peop...

The ability to recognize sounds and identify their location is possible thanks to the auditory system. That's comprised of two main parts: the ear, and the brain. The ear's task is to convert sound energy into neural signals; the brain's is to receive and process the information those signals contain. To understand how that works, Douglas L. Oli...

After a visit to a European library in search of Arabic and Middle Eastern texts turned up only titles about fear, terrorism and destruction, Ghada Wali resolved to represent her culture in a fun, accessible way. The result: a colorful, engaging project that uses LEGO to teach Arabic script, harnessing the power of graphic design to create conne...

Lucy Farey-Jones is obsessed with what makes people embrace or reject new things.

The mind is a diligent recorder, taking note of all that happens and storing data on it for retrieval later, right? Well actually, no. Enjoy these 7 illuminating talks on the science—and oddities—of our memory.

These women are trailblazers inspiring a new generation of girls to follow their lead and change the ratio in STEM (science, math, engineering and tech).

For centuries, the Irish funeral wake has served as a time for people to grieve a life lost and celebrate a life lived, together. In this profound and lyrical talk, poet Kevin Toolis laments the fear and denial of death that characterizes increasingly individualistic societies. He reasons that living life fully means embracing our shared mortali...

Morgana Bailey has been hiding her true self for 16 years. In a brave talk, she utters four words that might not seem like a big deal to some, but to her have been paralyzing. Why speak up? Because she's realized that her silence has personal, professional and societal consequences. In front of an audience of her co-workers, she reflects on what...

In a poetic, personal talk, TED Fellow Katlego Kolanyane-Kesupile examines the connection between her modern queer lifestyle and her childhood upbringing in a rural village in Botswana. "In a time where being brown, queer, African and seen as worthy of space means being everything but rural, I fear that we're erasing the very struggles that got ...

These talks are here to set the record straight and illuminate the unexpected ways formulas and fractions influence everything, from love and war to origami and coral reefs.

Computers are being taught to learn, reason and recognize emotions. In these talks, look for insights -- as well as warnings.

Fiction writer Karen Thompson Walker explores the connection between fear and the imagination.

In the 1940s, cancer was a condition shrouded in fear and denial, rarely discussed in public. Now there's a healthy public discourse and billions of dollars in research funding dedicated to it. In this talk, writer and microbiologist Dr. Nathalia Holt describes how a landmark 1940s PR campaign helped prompt that paradigm shift. "Changing how a d...

From our fear of women's bodies to our sheepishness around the word "nipple," our ideas about sex need an upgrade, say sex educators (and hilarious women) Tiffany Kagure Mugo and Siphumeze Khundayi. For a radical new take on sex positivity, the duo take the TED stage to suggest we look to Africa for erotic wisdom both ancient and modern, showing...

When it comes to big life problems, we often stand at a crossroads: either believe we're powerless against great change, or we rise to meet the challenge. In an urgent call to action, political strategist Tom Rivett-Carnac makes the case for adopting a mindset of "stubborn optimism" to confront climate change -- or whatever crisis may come our w...

Rabbi Lord Jonathan Sacks offers thoughts on how we can navigate the coronavirus pandemic with courage, hope and empathy. With wisdom and clarity, he speaks on leadership, fear, death, hope and how we could use this moment to build a more just world. Watch for a special, impromptu prayer about halfway through the conversation. (This virtual conv...

There's an astronaut saying: In space, “there is no problem so bad that you can’t make it worse.” So how do you deal with the complexity, the sheer pressure, of dealing with dangerous and scary situations? Retired colonel Chris Hadfield paints a vivid portrait of how to be prepared for the worst in space (and life) -- and it starts with walking ...

Reality isn't something you perceive; it's something you create in your mind. Isaac Lidsky learned this profound lesson firsthand, when unexpected life circumstances yielded valuable insights. In this introspective, personal talk, he challenges us to let go of excuses, assumptions and fears, and accept the awesome responsibility of being the cre...

¡Ideas en nuestro idioma! TED Talks in Spanish, with subtitles in English and other languages.

In 2014, as a newly trained physician, Soka Moses took on one of the toughest jobs in the world: treating highly contagious patients at the height of Liberia's Ebola outbreak. In this intense, emotional talk, he details what he saw on the frontlines of the crisis -- and reveals the challenges and stigma that thousands of survivors still face.

Brené Brown studies human connection -- our ability to empathize, belong, love. In a poignant, funny talk, she shares a deep insight from her research, one that sent her on a personal quest to know herself as well as to understand humanity. A talk to share.

In the ongoing debate over refugees, we hear from everyone -- from politicians who pledge border controls to citizens who fear they'll lose their jobs -- everyone, that is, except migrants themselves. Why are they coming? Journalist and TED Fellow Yasin Kakande explains what compelled him and many others to flee their homelands, urging a more op...

TV news anchor Lee Thomas thought his career was over after he was diagnosed with vitiligo, an autoimmune disorder that left large patches of his skin without pigment and led to derision and stares. In a captivating talk, he shares how he discovered a way to counter misunderstanding and fear around his appearance with engagement, dialogue -- and...

The most notable talks of 2017, chosen by TED Curator Chris Anderson.

Why do women who experience sexual assault rarely speak up about it? "Because they fear they won't be believed," says Inés Hercovich. "Because when a woman tells what happened to her, she tells us things we can't imagine, things that disturb us, things we don't expect to hear, things that shock us." In this moving talk, she takes us inside an en...

Heart racing, palms sweating, labored breathing? No, you're not having a heart attack -- it's stage fright! If speaking in public makes you feel like you're fighting for your life, you're not alone. But the better you understand your body's reaction, the more likely you are to overcome it. Mikael Cho advises how to trick your brain and steal the...