Too many people believe in something closer to freedom from speech rather than freedom of speech, says attorney Greg Lukianoff. In a timely talk, he warns against the rise of "mob censorship" — and reminds us why free speech is the best...

Why do we find it easier to trust some concepts and ideas over others? Mathematician and TED Fellow Adam Kucharski explores the science of uncertainty, revealing how the very human need for explanation shapes trust in science, fear of...

Headlines warn of a world in collapse, but solutions journalist Angus Hervey finds the overlooked triumphs that never make the news — from the rollout of malaria vaccines to the recovery of sea turtles. With hard data and stories from...

Look around — almost everything you see was manufactured, from baby formula to AI data centers and beyond. Yet we rarely think about how it’s all made. Factory fixer Lauren Dunford pulls back the curtain on modern manufacturing,...

In which Mike Rugnetta teaches you about Ma'ui, prominent hero of many cultures in Oceania, aka the Pacific Island nations. Ma'ui is just the kind of hero we're interested in here at Crash Course. He's a culture hero, he's a an...

What separates struggling artists from successful ones? Looking to creative geniuses like Mozart, Edison and Monet, video creator Jon Youshaei explains why aiming to be prolific — despite flops and failures along the way — is the key to...

Leo Villareal is an artist, but his tools aren't paint and canvas; he manipulates light, color and computer code to create monumental works of public art. In a dazzling talk, he takes us inside his efforts to light up some of the world's...

As the cofounder of Advance Native Political Leadership, Anathea Chino creates space for Native American leaders to thrive in an often unwelcoming political system. Alongside comedian and filmmaker Negin Farsad, she discusses the power...

Feeding 10 billion people without wrecking the planet means rethinking protein, from plant-based and fermented foods to lab-grown meat that tastes like the real thing. Presenting an exciting menu of sustainable options, food futurist...

Confidence doesn’t come before action — it comes from taking action, says business leader Kat Cole, who worked her way up from waitress to CEO of a global health company. She presents a simple yet powerful practice called the "hot shot...

Feeling stuck on the big issues? Neuroscientist Kris De Meyer has a surprising fix. Instead of waiting for information to get you motivated, he shows how taking small actions in your personal life can rewire your brain to get unstuck....

If you’ve ever wondered how you can give a TED Talk, you’re not alone. TED believes that ideas change everything — and that they can come from unexpected places. So, we issued an open call to anyone in the UK in search of the biggest,...

What if the change you fear most is actually the best thing for you? Change leader Kristy Ellmer shares a powerful lesson on how even the most difficult transitions, including layoffs and company-wide transformations, can open unexpected...

Leadership isn’t about a title or position — it’s about generosity, says organizational expert Joe Davis. Drawing on his extensive experience as a people manager, he shares three essential tips for leaders to unlock the potential of...

With tart humor, Hayley Yeates makes the case that investing in cultural diversity is just as important as fostering gender diversity.

How can the lessons of the past help us navigate the turbulence of the present and future? Social philosopher Roman Krznaric explores why history isn’t just a record of what’s gone wrong — it’s also full of solutions, resilience and...

You know it's important to take care of your physical and mental health. But what about your social health? Social scientist Kasley Killam shows how feeling a sense of belonging and connection has concrete benefits to your overall health...

Fighting climate change is much like long-distance running: a complex journey filled with obstacles, fast-changing conditions and the need for constant adaptation. Drawing on his own experience as an ultramarathon runner, energy expert...

Astrophysicist Lisa Kaltenegger explores the thrilling possibility of discovering life beyond Earth, highlighting how cutting-edge technology like the James Webb Space Telescope lets us analyze distant planets for signs of life in...

What if striking a pose could not only make you look good but also help you embody who you’re meant to become? Demonstrating the art of mindful posing, portrait photographer and TikTok’s “King of Poses” David Suh shares body language...

New tech spawns new anxieties, says scientist and philosopher Grady Booch, but we don't need to be afraid an all-powerful, unfeeling AI. Booch allays our worst (sci-fi induced) fears about superintelligent computers by explaining how...

The option to work from home means that work truly works for everyone, says Avani Prabhakar, chief people officer of a large tech company. She explains how flexibility and asynchronous collaboration in a distributed workplace can unlock...

What happens when personal grief collides with your professional life? Drawing on her experience as the CEO of a crisis management firm and a hospice chaplain, Meredith Wilson Parfet breaks down the reality of grief — at work and beyond...

Your inner voice is a powerful tool for self-reflection and planning, but it can also trap you in negative thought loops — “chatter,” as psychologist and neuroscientist Ethan Kross calls it. He shares tips for quieting the less helpful...