Bosnian photographer Ziyah Gafic grew up in Sarajevo during the war. In this powerful Q&A, he explains why he obsessively takes pictures of rusty watches, broken glasses and old combs.

We asked legendary oceanographer Sylvia Earle for her menu advice. Below, check out Earle’s take on omega oils, tuna rolls, and her ideal meal.

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Does money make you mean? Does lack of money make you sick? Epidemiologist Richard Wilkinson and social psychologist Paul Piff discuss the human effects of economic and social inequality.

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The Good Country Index measures how much each of 125 countries contributes to the planet. Announced today, the Index features some unexpected winners — and even more surprising losers. (Sorry, USA.)

The economist Sir Paul Collier has spent his career thinking about how to solve global poverty. So how are we doing? Well, not as badly as you might think. He describes the current state of the world and shares thoughts on where we might usefully focus next.

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Through his non-profit, TED Fellow Alexander McLean works to bring hope to men, women and children in prison in Kenya and Uganda. He talks about his work to change lives through healthcare, education, and access to justice.

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America’s war in Afghanistan has been its longest, arguably most grueling, and yet for 13 years also strangely invisible. Sebastian Junger’s work helps bring it back into focus — now with a new documentary, Korengal. We spoke to him about the project.