• What’s More Dangerous: Marijuana or Alcohol?

    Apr 16, 2014 | 27 min
    Imagine that both substances were undiscovered until today. How would we think about their relative risks?
  • “If Mayors Ruled the World”

    Apr 09, 2014 | 33 min
    Unlike certain elected officials in Washington, mayors all over the country actually get stuff done. So maybe we should ask them to do more?
  • How to Make People Quit Smoking

    Apr 02, 2014 | 35 min
    The war on cigarettes has been fairly successful in some places. But 1 billion humans still smoke -- so what comes next?
  • Why Everybody Who Doesn’t Hate Bitcoin Loves It

    Mar 26, 2014 | 38 min
    Thinking of Bitcoin as just a digital currency is like thinking about the Internet as just e-mail. Its potential is much more exciting than that.
  • Women Are Not Men (Rebroadcast)

    Mar 19, 2014 | 39 min
    In many ways, the gender gap is closing. In others, not so much. And that's not always a bad thing.

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