Shared fictions — in the form of news, religions, novels, sports, money, even brands — fill our lives, but that’s OK. It’s these shared beliefs that have helped humans cooperate and conquer the planet, explains historian Yuval Harari.

What capitalism prioritizes, the world does more of. So how can we change capitalism so that it focuses on what humans really want and need? Entrepreneur Andrew Yang has a surprising proposal.

Some argue that we have a moral responsibility for future generations, but others ask: how do we know what they would want? Writer Charles Mann explores the confusing ethics of acting on global warming.

But some jobs — and industries — will still require a human touch. Technology researchers Andrew McAfee and Erik Brynjolfsson have a guess as to which ones.

This year has been marked by upheaval on a global scale — and many of us are wondering: What will happen next? Satellite archaeologist and TED Prize winner Sarah Parcak shares three examples from the ancient past that offer lessons for today.

Neuroscientist and philosopher Sam Harris describes a scenario that is both terrifying and likely to occur. It’s not, he says, a good combination.

In his instantly recognizable, grandly sweeping style, eL Seed has painted Arabic calligraffiti murals everywhere from Tunisia to Paris, Dubai to New York. Recently, he created his most ambitious project yet: a mural that spans 50 buildings — and can only be fully seen from a nearby mountain. eL Seed pursued this self-funded project as a way to make a political point, but he describes, the real transformation was personal.