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Photosynthesis is one of the most important processes on the planet, helping produce the food we eat and the air we breathe. Crop scientist Steve Long thinks it could be more efficient — and he's intent on giving it a boost. He shows how hacking photosynthesis could help feed the world all while reducing climate change.
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Covering global war stories can be hard and thankless — but it's critical work if the rest of us are to understand what's really going on in the world. For nearly two decades, journalist Jane Ferguson has reported on hostilities across Africa and the Middle East, and she's witnessed firsthand the changing face of her profession. Via stories of her own experiences at the heart of complex conflicts, she shares fascinating details of how she and other female colleagues have changed the way that news is captured, shared — and understood.
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Your immune system is more socially aware than you think, says social neuroscientist and psychology professor Keely Muscatell. Investigating the interconnectedness of your mood and your inflammatory system, she offers an evolutionary reason as to why being sick may make you feel depressed — and vice versa.
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Social progress in the United States often seems to take two steps forward and one step back, with hard-fought civil rights wins countered by a seemingly inevitable backlash. In this spirited talk, writer Charles M. Blow makes the case that history, inverted, suggests a potential path forward. It's an unapologetically provocative proposal that Blow thinks just might spark a real shift toward equality in the US.
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Are you actually bored, or is something else going on? Educator Kevin H. Gary shares three practical takeaways to deal with the doldrums, so you can take control of your attention, figure out which feelings to trust and name the real problem.
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US President Joe Biden and President of the People's Republic of China Xi Jinping recently met in San Francisco. It was the first time Xi had visited the US in six years — and the first time the two leaders had met in person in a year. Geopolitical expert Ian Bremmer explains the implications of the meeting, sharing context and insight on areas where the pair agree — and flagging key areas where tensions might yet arise. (This conversation with TED's Helen Walters was recorded on November 20, 2023.)
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You don't need political power to make real change, says activist Katie Fahey. She tells the story of how she led a successful movement in Michigan to end gerrymandering — the practice of drawing district lines to favor one political party — and how it all started with a simple social media post.
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Just weeks before the management shakeup at OpenAI rocked Silicon Valley and made international news, the company's cofounder and chief scientist Ilya Sutskever explored the transformative potential of artificial general intelligence (AGI), highlighting how it could surpass human intelligence and profoundly transform every aspect of life. Hear his take on the promises and perils of AGI — and his optimistic case for how unprecedented collaboration will ensure its safe and beneficial development.
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A landfill on fire doesn't only emit a horrid stench — it has devastating consequences for the environment, too. The culprit is methane, an often underestimated greenhouse gas produced in large part by food systems, organic waste and yes, cow burps. Biochemical engineer Marcelo Mena explains the source of this sneaky pollutant, why its emissions need to be cut in half by 2050 — and what you can do to help.
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Electric vehicles need to be more than just eco-friendly — they have to be more chic, convenient and affordable than their gas-powered alternatives, says sustainability leader Cynthia Williams. She explores what it'll take for an electric revolution to succeed in the US, calling on corporations, policy leaders, investors and more to collaborate in unprecedented ways.
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Does confidence equal competence? Not quite. In a talk that will make you better aware of yourself, experimental psychologist Robin Kramer delves into the Dunning-Kruger effect — which argues that those who are least capable often overestimate their skills the most — and explores just how good you are at judging your own abilities.
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The vast majority of our time at work is spent trudging through redundant and outdated workflows, says operations visionary Salvatore Cali. Laying out the most common time-wasting pitfalls, he urges policy leaders and businesses to reevaluate what they ask of both employees and consumers. "By rethinking the true purpose of each task, you will discover what is waste and what is the real gold of your company: the creation of value," says Cali.
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In the US, people spend the overwhelming majority of their time inside buildings that burn fossil fuels, which are bad for both the environment and human health. (Think: breathing in air pollution from gas stoves, furnaces and water heaters.) If we're going to fix this problem, we need to retrofit millions of buildings with all-electric equipment, says energy upgrader Donnel Baird. Hear about his ambitious plan to rip the fossil fuel infrastructure out of aging buildings and upgrade it with smarter, cleaner, healthier technology.
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Midlife doesn't have to be a scary time, says entrepreneur Chip Conley. In this short yet profound talk, he takes inspiration from the natural world to reframe our 40s, 50s and 60s as a transitional stage that's full of grace and beauty — and urges us all to make aging aspirational.
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Environmental activist Gopal D. Patel thinks the climate movement could learn a lot from one of the longest-standing social initiatives in human history: religion. Exploring three areas where frameworks from faith traditions could benefit the climate movement, Patel offers a playbook for discovering your big idea to build momentum towards powerful social change.
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Irina Karamanos Adrian didn't plan on becoming Chile's First Lady — but she set out to transform the role all the same. She shares how she's fighting gender stereotypes and protecting democracy by shifting political power back to where it belongs: to people who were actually elected.
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Competition is a core part of human nature, and it can drive us to extraordinary feats. But when it goes wrong, the results can be devastating. Poker champion and science communicator Liv Boeree introduces us to "Moloch's trap" — the dark force of game theory driving many of humanity's biggest social problems, which is now threatening to derail the AI industry.
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Artist Doris Mitsch invites us to revel in the wonders of nature through her dazzling photography: stacked images of starlings in flight, hawks surfing thermal updrafts, bats echolocating through the night sky and more. Revealing the hidden trails created by creatures in flight, her work offers unique insight into the intelligence behind nature's invisible rhythms.
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When it comes to technology, we're often presented with two contrasting visions of the future: one where technology fulfills all our desires, and another where it leads to chaos and conflict. Sociologist Ruha Benjamin is here with a more radical vision of the future — one where humanity isn't saved or slayed by technology, but rather uses it to uplift ordinary people and make things like health care and housing for all a reality.
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