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The standard narrative of human sexual evolution says: men provide women with goods and services in exchange for women’s sexual fidelity. But is that really true or relevant today? Christopher Ryan, the co-author of Sex at Dawn with Cacilda Jethá, takes a deeper look and has quite a few bones to pick with this idea. Ryan […]
In December 2012, Planet Money co-host Adam Davidson stopped by the TED office to talk about the fiscal cliff. At the time, the U.S. Congress was weeks away from a deadline to set a course on federal debt, and head-butting was at a fever pitch. As Davidson explained, the disagreement was simple: Democrats see increasing […]