These photographers capture beautiful and sometimes sobering images, using their art to help fight for social justice.

A collection of talks from creative individuals striving to bring light to some of the world's most pressing issues.

A social psychologist at Stanford University, Jennifer L. Eberhardt conducts research on race and inequality.

"If there is this big difference, with some people worth everything and other people worth nothing, where do you come?" So asks Richard Wilkinson in the trailer for the forthcoming documentary based on his influential book The Spirit Level. Wilkinson, an epidemiologist, spent his career examining health issues caused or worsened by poverty and i...

Gautam Bhan studies how cities produce and reproduce poverty and inequality.

Candis Smith is on a mission to eliminate outdated, inaccurate commonsense ideas about inequality.

Paul Piff studies how social hierarchy, inequality and emotion shape relations between individuals and groups.

David Autor's work assesses the labor market consequences of technological change and globalization.

Writer Jimmy Guterman takes society's temperature and digs into the reasons we're all talking about inequality. Thomas Piketty’s Capital in the 21st Century is a book of our moment. It may be the most unlikely egghead highbrow bestseller since A Brief History of Time – and it’s a lot longer than Stephen Hawking’s slender guide. Piketty’s 577-...

TED Fellow Jenna C. Lester is working to fix dermatology's problem with skin color.

Inequality is a complicated term. It can be applied to so many factors, for one thing. There's income inequality, asset inequality, gender inequality, social, class, political ... you name it, someone, somewhere likely feels (and is) hard done by. And, for all the focus that Thomas Piketty has gained for his analysis of a new, ever-diverging glo...

William A. "Sandy" Darity Jr. is the Samuel DuBois Cook Professor of Public Policy, African and African American Studies and Economics and the director of the Samuel DuBois Cook Center on Social Equity at Duke University.

Engaging scientific knowledge, Nancy N. Chen examines the intersections of medicine, political economy and social inequality.

Tony Award-winning monologist, UNICEF ambassador, firebrand and FCC-fighting poet -- Sarah Jones assumes as many roles offstage as on.

Science historian Sonia Shah explores the surprisingly fascinating story behind an ancient scourge: malaria.

Data skeptic Cathy O’Neil uncovers the dark secrets of big data, showing how our "objective" algorithms could in fact reinforce human bias.

Kimberly Noble, MD, PhD, studies how socioeconomic inequality relates to children's cognitive and brain development.

Sarah Kurnick specializes in the ancient Maya and her research focuses on the creation, perpetuation and negation of inequality.

Abigail Disney advocates for real changes to the way capitalism operates in today's world.

Explore these TEDTalks that discuss income inequality -- what causes it, the brutal effects, and how we might fight it. Start with this talk from Richard Wilkinson, whose 2009 book The Spirit Level gathers decades of research to draw this conclusion: Societies with more income inequality suffer -- in utterly predictable ways -- more than soci...

Danny Dorling teaches and writes about the geography of our human world.

It's safe to say that economic inequality bothers us. But why? Harvard philosopher T. M. Scanlon offers four reasons we should tackle -- and fix -- the problem. The great inequality of income and wealth in the world, and within the United States, is deeply troubling. It seems, even to many of us who benefit from this inequality, that somethin...

Halla Tómasdóttir is the CEO of The B Team, a group of global leaders working together to transform business for a better world.

TED Fellow Sharmeen Obaid-Chinoy seeks to push people to have difficult conversations about inequality and injustice.

Hamdi Ulukaya is a pioneer of the natural food movement and the founder of Chobani, one of the fastest-growing food companies of the last decade.

What do a disease-fighting epidemiologist (retired) and an up-and-coming social psychologist have in common? They're both fascinated by the unseen social problems hidden behind the word "inequality."  Beyond the lack of access to money and power -- what does inequality do to us as human beings? Epidemiologist Richard Wilkinson (TED Talk: ...

Rich and poor, left and right, we all agree the world should be more equal. Dan Ariely and Michael Norton have spent the past decade analyzing the data. Now, they tackle what to do next. Picture three people splitting an 8-piece pizza. How should they divide it? The possibilities are endless, from the very unequitable -- one person eats the who...

Anna Rosling-Rönnlund collects photographs of everyday objects from the richest to the poorest households. Even a toothbrush, she says, can reveal a world of inequalities. Imagine if the world lived along a single street, with the richest households on one end, the poorest on the other -- and every door flung open to the public. That’s the visi...

Deepa Narayan is an international advisor on poverty, gender and development with more than 25 years of experience working at the World Bank, the UN and NGOs.

After a long career as a game designer, Brenda Romero became an educator -- teaching the next generation of artists, coders and mechanics how to create the world’s most popular media form. A game is the tool she uses to think about problems, to explain, to put concepts into form. As she says: “This is all I’ve ever done. I've been a game des...