Rob Hopkins reminds us that the oil our world depends on is steadily running out. He proposes a unique solution to this problem — the Transition response, where we prepare ourselves for life without oil and sacrifice our luxuries to build systems and communities that are completely indepen...
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Hans Rosling was a young guest student in India when he first realized that Asia had all the capacities to reclaim its place as the world’s dominant economic force. At TEDIndia, he graphs global economic growth since 1858 and predicts the exact date that India and China will outstrip the US.
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Speaking as both an astronomer and "a concerned member of the human race," Sir Martin Rees examines our planet and its future from a cosmic perspective. He urges action to prevent dark consequences from our scientific and technological development.
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Speaking at TED in 1998, Rev. Billy Graham marvels at technology’s power to improve lives and change the world — but says the end of evil, suffering and death will come only after the world accepts Christ. A legendary talk from TED's archives.
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Bees are dying in droves. Why? Leading apiarist Dennis vanEngelsdorp looks at the gentle, misunderstood creature’s important place in nature and the mystery behind its alarming disappearance.
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Cambridge researcher Aubrey de Grey argues that aging is merely a disease — and a curable one at that. Humans age in seven basic ways, he says, all of which can be averted.
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Someone always asks the math teacher, "Am I going to use calculus in real life?" And for most of us, says Arthur Benjamin, the answer is no. He offers a bold proposal on how to make math education relevant in the digital age.
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In this brief talk from TED U 2009, Jonathan Drori encourages us to save biodiversity — one seed at a time. Reminding us that plants support human life, he shares the vision of the Millennium Seed Bank, which has stored over 3 billion seeds to date from dwindling yet essential plant species.
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Speaking at the 2007 EG conference, "renegade lunch lady" Ann Cooper talks about the coming revolution in the way kids eat at school — local, sustainable, seasonal and even educational food.
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Biochemist Gregory Petsko makes a convincing argument that, in the next 50 years, we’ll see an epidemic of neurological diseases, such as Alzheimer's, as the world population ages. His solution: more research into the brain and its functions.
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Virus hunter Nathan Wolfe is outwitting the next pandemic by staying two steps ahead: discovering deadly new viruses where they first emerge — passing from animals to humans among poor subsistence hunters in Africa -- before they claim millions of lives.
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In 2007, Paul Rothemund gave TED a short summary of his specialty, DNA folding. Now he lays out in clear, abundant detail the immense promise of this field — to create tiny machines that assemble themselves.
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