Fascinating, little-known stories about some of the biggest happenings in history.

From work and happiness, to love and success (and everything else in between), these talks offer insights on some of life's biggest secrets.

What’s the biggest influence on Africa’s future? Its youth. Join the conversation with Africa’s present leaders who seek to inspire and empower the generations of leaders to come.

With fantastic new maps that show interactive, visual representations of urban fragility, Robert Muggah articulates an ancient but resurging idea: cities shouldn't just be the center of economics -- they should also be the foundation of our political lives. Looking around the world, from Syria to Singapore to Seoul and beyond, Muggah submits six...

Oxford philosopher and transhumanist Nick Bostrom examines the future of humankind and asks whether we might alter the fundamental nature of humanity to solve our most intrinsic problems.

Surprising, but true: More women now die of heart disease than men, yet cardiovascular research has long focused on men. Pioneering doctor C. Noel Bairey Merz shares what we know and don't know about women's heart health -- including the remarkably different symptoms women present during a heart attack (and why they're often missed).

Bill Gross has founded a lot of start-ups, and incubated many others -- and he got curious about why some succeeded and others failed. So he gathered data from hundreds of companies, his own and other people's, and ranked each company on five key factors. He found one factor that stands out from the others -- and surprised even him.

How does a robin know to fly south? The answer might be weirder than you think: Quantum physics may be involved. Jim Al-Khalili rounds up the extremely new, extremely strange world of quantum biology, where something Einstein once called "spooky action at a distance" helps birds navigate, and quantum effects might explain the origin of life itself.

As of 2020, the world's biggest lithium-ion battery is hooked up to the Southern California power grid and can provide enough power for about 250,000 homes. But it's actually not the biggest battery in the world: a pair of lakes are. How can lakes be a battery? Explore how inventors are rethinking what a battery can be, and how these surprising ...

Gerard Ryle led the international team that divulged the Panama Papers, the 11.5 million leaked documents from 40 years of activity of the Panamanian law firm Mossack Fonseca that have offered an unprecedented glimpse into the scope and methods of the secretive world of offshore finance. Hear the story behind the biggest collaborative journalism...

The United Nations has set a goal to free the world from hunger, poverty and HIV related deaths. But where does the money come from? Conscious capitalist Sahil Sethi identifies a sector resource-rich enough to make the UN's ambitious goals a reality: the corporate world. By donating .7% of their annual profits to the UN goals, he believes corpor...

As CEO of the Global Fund for Women, Musimbi Kanyoro works to support women and their ideas so they can expand and grow. She introduces us to the Maragoli concept of "isirika" -- a pragmatic way of life that embraces the mutual responsibility to care for one another -- something she sees women practicing all over the world. And she calls for tho...

Get to know your heart a bit better with insightful talks on this powerful, life-sustaining organ.

These talks will inspire a professional renaissance and give you the courage to start along a new career path.

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

For the first time in history, the majority of American parents don't think their kids will be better off than they were. This shouldn't be a cause for alarm, says journalist Courtney E. Martin. Rather, it's an opportunity to define a new approach to work and family that emphasizes community and creativity. "The biggest danger is not failing to ...

Eight reporters who've been arrested, shot at and threatened talk about why they continue to report in dangerous war zones, prisons, protest sites -- because otherwise, these stories will go untold.

Robin Chase founded Zipcar, the world’s biggest car-sharing business. That was one of her smaller ideas. Here she travels much farther, contemplating road-pricing schemes that will shake up our driving habits and a mesh network vast as the Interstate.

Sometimes the solutions to our biggest challenges don't have to be gigantic investments. Gianluca Ambrosetti describes a solar generator made of mostly everyday materials like mirrors, concrete, and aluminum foil that might actually change the way the world functions today.

It seems like we wait for a disastrous disease outbreak before we get serious about making a vaccine for it. Seth Berkley lays out the market realities and unbalanced risks behind why we aren't making vaccines for the world's biggest diseases.

This animation is part of the TED-Ed series, "There's a Poem for That," which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. [Poem by Clint Smith, directed by Niv Sekar, music by Stephen LaRosa].

"Rock-star physicist" Brian Cox talks about his work on the Large Hadron Collider at CERN. Discussing the biggest of big science in an engaging, accessible way, Cox brings us along on a tour of the massive project.

This animation is part of the TED-Ed series, "There's a Poem for That," which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. [Poem by Denice Frohman, directed by KAPWA / Robertino Zambrano, music by Bamm Bamm Wolfgang].

Bruce McCall paints a retro-future that never happened -- full of flying cars, polo-playing tanks and the RMS Tyrannic, "The Biggest Thing in All the World." At Serious Play '08, he narrates a brisk and funny slideshow of his faux-nostalgic art.

This animation is part of the TED-Ed series, "There's a Poem for That," which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. [Poem by Cristin O'Keefe Aptowicz, directed by Naghmeh Farzaneh, music by Adam Larison].

It's easy to imagine saving money next week, but how about right now? Generally, we want to spend it. Economist Shlomo Benartzi says this is one of the biggest obstacles to saving enough for retirement, and asks: How do we turn this behavioral challenge into a behavioral solution?

This animation is part of the TED-Ed series, "There's a Poem for That," which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. [Poem by Aracelis Girmay, directed by Jordan Bruner, music by Stephen LaRosa].

This animation is part of the TED-Ed series, "There's a Poem for That," which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. [Poem by William Butler Yeats, directed by Eoin Duffy, music by Cypher Audio].

This animation is part of the TED-Ed series, "There's a Poem for That," which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. [Poem by Emma Lazarus, directed by Eoin Duffy, music by Sono Sanctus].

This animation is part of the TED-Ed series, "There's a Poem for That," which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. [Poem by Robert Frost, directed by Ellen Su, music by Stephen LaRosa].