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📈 Economy
February 04, 2026

The economics of hip hop

In a TED Talk released on Monday, I describe a decadelong effort to measure hip hop’s impact. My research team and I assembled a data set tracking the genre’s diffusion from the late 1980s onward. We compiled exposure measures from virtually every U.S. radio station between 1985 and 2002 and from the Billboard Hot 100 […] The post The economics of hip hop appeared first on Marginal REVOLUTION. Related StoriesEffective tax rates for billionairesDoes Peer-Reviewed Research Help Predict Stock Re...

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🏥 Healthcare
February 08, 2026

Improve Energy & Longevity by Optimizing Mitochondria | Dr. Martin Picard

Dr. Martin Picard, PhD, is a professor of behavioral medicine at Columbia University and an expert on how our behaviors and psychology shape cellular energy production and rates of aging. He explains that your mitochondria don’t just “make energy”; they translate what you do—your mindset and your relationships—into the energy you experience as vitality or lack thereof. He explains how exercise, nutrition, sleep, meditation, and even certain thought patterns and our sense of purpose can charge...

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