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 startups, 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.

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.

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

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...

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.

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.

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...

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...

About this talk: 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, h...

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

Amar Inamdar works with businesses and entrepreneurs to imagine, create and grow markets that address our biggest social and environmental challenges.

About this video: Dr. Charity Wayua comes from a family of teachers. But, unlike her aunts and siblings, she took a slightly different path – and became an education researcher. This, she says, allows her reimagine entirely new possibilities to the education system, rather than just work inside of it. With Project Lucy, she is doing just that. ...

Kent Larson designs new technologies that solve the biggest questions facing our cities.

"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.

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

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 ...

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

Todd Humphreys studies GPS, its future, and how we can address some of its biggest security problems.

At TED2017, Delta convened TED attendees for sessions of intimate conversations, bringing together different perspectives and voices to discuss the biggest innovation challenges of the day. Through these future-focused conversations on innovation, Delta can further its mission to inspire the pursuit of opportunity by setting ambitious sights on ...

The biggest surprise of discovering the Higgs boson? That there were no surprises. Gian Giudice talks us through a problem in theoretical physics: what if the Higgs field exists in an ultra-dense state that could mean the collapse of all atomic matter? With wit and charm, Giudice outlines a grim fate -- and why we shouldn't start worrying just yet.

Carolyn Jones spent five years interviewing, photographing and filming nurses across America, traveling to places dealing with some of the nation's biggest public health issues. She shares personal stories of unwavering dedication in this celebration of the everyday heroes who work at the front lines of health care.

In a war, it turns out that violence isn't the biggest killer of civilians. What is? Illness, hunger, poverty -- because war destroys the institutions that keep society running, like utilities, banks, food systems and hospitals. Physician Margaret Bourdeaux proposes a bold approach to post-conflict recovery, setting priorities on what to fix first

Why do we turn to nonprofits, NGOs and governments to solve society's biggest problems? Michael Porter admits he's biased, as a business school professor, but he wants you to hear his case for letting business try to solve massive problems like climate change and access to water. Why? Because when business solves a problem, it makes a profit -- ...

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.

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.

"I sell dreams, and I peddle love to millions of people," says Shah Rukh Khan, Bollywood's biggest star. In this charming, funny talk, Khan traces the arc of his life, showcases a few of his famous dance moves and shares hard-earned wisdom from a life spent in the spotlight.

After Hurricane Maria hit Puerto Rico in 2017, chef José Andrés traveled to the devastated island with a simple idea: to feed the hungry. Millions of meals served later, Andrés shares the remarkable story of creating the world's biggest restaurant -- and the awesome power of letting people in need know that somebody cares about them.

Anika Paulson’s love for music permeates her understanding of herself, her surroundings and the mysteries that make up the smallest and biggest parts of life.