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The dream of educating Afghan girls lives on | Shabana Basij-Rasikh

In this deeply moving talk, educator Shabana Basij-Rasikh shares the harrowing story of evacuating more than 250 students, staff and family members from the School of Leadership, Afghanistan (SOLA) -- the country's first and only all-girls boarding school -- to Rwanda after the Taliban took power in 2021. An exceptional story of hope, resilience and dreaming big for future generations of Afghan girls -- and a challenge for the world to not look away.... läs mer »

How gratitude rewires your brain | Christina Costa

When a psychologist who studies well-being ends up with a brain tumor, what happens when she puts her own research into practice? Christina Costa goes beyond the "fight" narrative of cancer -- or any formidable personal journey -- to highlight the brain benefits of an empowering alternative to fostering resilience in the face of unexpected challenges: gratitude.... läs mer »

The value of kindness at work | James Rhee

Kindness can go a long way when it comes to reshaping a business. Having saved a fashion company from the brink of bankruptcy, entrepreneur James Rhee shares the value of investing in a culture of compassion at work -- and shows why we should all lead with our hearts.... läs mer »

What is melatonin -- and should you take it to fall asleep? | Matt Walker

Melatonin is the hormone that tells our brains and bodies it's time to sleep. But if you think melatonin supplements will significantly improve your ability to fall asleep and stay asleep, you may have been misled. Sleep scientist Matt Walker shares how this "hormone of darkness" really works.... läs mer »

Is it really that bad to marry my cousin? | Mona Chalabi

There are things we accept as obvious truths that aren't necessarily backed up by data. A primary example: cousin marriage being taboo. In this episode, data journalist Mona Chalabi looks at the numbers behind our family trees to reveal that cousin marriage is much more common and much less "ick" than you might think. Want to hear more from Mona? Check out her podcast Am I Normal? with Mona Chalabi, from the TED Audio Collective.... läs mer »

Ancient wisdom for healing the planet | Shweta Narayan

The doctrine of "first, do no harm" is the basis of the Hippocratic Oath, one of the world's oldest codes of ethics. It governs the work of physicians -- but climate and health campaigner Shweta Narayan says it should go further. In this essential talk, she highlights the interdependence of environmental and human health and emphasizes the necessity of placing health at the heart of all climate solutions. "It's impossible to have healthy people on a sick planet," she says.... läs mer »

The surprising health benefits of dreaming | Matt Walker

When you fall asleep and start dreaming, you're actually doing very important work. According to sleep scientist Matt Walker, dreams act like a form of "overnight therapy." In fact, your dreams may even boost your ability to solve problems and process tough emotions that affect your waking life.... läs mer »

The science of extreme weather -- and how to reduce the harm | Al Roker, Al Gore, David Biello and Latif Nasser

Floods, droughts, heat waves and cold blasts -- why is the weather becoming more extreme? Environmentalist and "America's weatherman" Al Roker discusses the link between climate change and disruptions to weather patterns worldwide, followed by a conversation between Nobel laureate Al Gore and TED science curator David Biello about the science of extreme weather and emerging solutions to reduce the risk of these events. (This segment, introduced by radio researcher Latif Nasser, was part of TED's Countdown Global Livestream on October 30, 2021.)... läs mer »

Dear world leaders, these are our climate demands | Xiye Bastida, Shiv Soin and Latif Nasser

Investing in green energy, holding large corporations accountable for their pollution, stopping pipeline and oil extraction initiatives -- these are non-negotiable actions to protect the planet, but they are still just the bare minimum, say climate activists Xiye Bastida and Shiv Soin. In conversation with radio researcher Latif Nasser, Bastida and Soin share their list of six crucial climate demands for world leaders -- and discuss how we all can get involved. (This segment was part of TED's Countdown Global Livestream on October 30, 2021.)... läs mer »

How accurate is the weather forecast? | Mona Chalabi

No one remembers when you're right, but no one forgets when you're wrong. Your local weather person knows that saying all too well. But while they take a lot of the heat (get it?), how much of it is actually justified? In this episode, Mona Chalabi looks at weather forecasting data to see how accurate these predictions really are, and gives us tips for when we should--and shouldn't--trust the forecast. Want to hear more from Mona? Check out her podcast Am I Normal? with Mona Chalabi, from the TED Audio Collective.... läs mer »

An action plan for solving the climate crisis | John Doerr and Ryan Panchadsaram

"How much more damage do we have to endure before we realize that it's cheaper to save this planet than to ruin it?" asks engineer and investor John Doerr. In conversation with Countdown cofounder Lindsay Levin, Doerr and systems innovator Ryan Panchadsaram lay out six big objectives that -- if pursued with speed and scale -- could transform society and get us to net-zero emissions by 2050. An action plan to solve the world's climate crisis, backed up by a proven system for setting goals for success.... läs mer »

The science of preserving sight | Joshua Chu-Tan

As you get older, your eyes worsen and become susceptible to a disease called age-related macular degeneration -- the leading cause of blindness, with no cure in sight. Sharing the science of how your vision works, researcher Joshua Chu-Tan offers breakthrough insights on a lesser-known RNA that could change the treatment for this disease, preserving the gift of sight for longer and improving the quality of life for millions of people.... läs mer »

Your self-driving robotaxi is almost here | Aicha Evans

We've been hearing about self-driving cars for years, but autonomous vehicle entrepreneur Aicha Evans thinks we need to dream more daringly. In this exciting talk, she introduces us to robotaxis: fully autonomous, eco-friendly shuttles that would take you from place to place and take up less space on the streets than personal cars. Learn how this new technology works -- and what a future where we hail robotaxis would look like.... läs mer »

A program to empower Black teachers in the US | Larry Irvin

TED Fellow and education innovator Larry Irvin envisions a world where every child can see themselves reflected in their teachers. With his team at Brothers Empowered to Teach, Irvin is providing pathways to careers in education for Black men, who currently make up less than three percent of all teachers in the US -- offering training, personal and professional development and job placement. He shares how their holistic, people-centered approach is changing education.... läs mer »

An ever-evolving map of everything on Earth | Jack Dangermond

What if we had a map of ... everything? Jack Dangermond, a visionary behind the geographic information system (GIS) technology used to map and analyze all kinds of complex data, walks us through the interconnected technologies gathering information about every crack and corner of the Earth. Learn how this "living atlas" and "geospatial nervous system" can help us better understand our changing planet -- and let nature guide our actions towards a more sustainable future.... läs mer »

Are naps actually good for us? | Matt Walker

Afternoon naps are refreshing -- but could they be messing up our sleep cycles? Sleep scientist Matt Walker reveals the pros and cons of napping, plus tips on how to get the most out of your next short snooze.... läs mer »

The crucial intersection of climate and capital | Nili Gilbert

The financial sector often talks of decarbonizing investment portfolios as a way to fight climate change. But portfolios can be "cleaned" without having any real impact on the problem, says investment expert Nili Gilbert. Bringing science to finance, she unpacks how investors can actually help decarbonize the world -- a costly endeavor, estimated at three to five trillion dollars per year between now and 2050 -- and ensure the climate transition is just, global and interconnected. "Changing the markets can be a way to change the world," she says.... läs mer »