A Pi day special! At TEDxYouth@BommerCanyon, 9-year-old Chirag Singh confesses his irrational love for Pi — and not the kind you eat:
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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 […]