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[VIDEO available on Spotify.] Imagine a vagina. You might be thinking of a passive tube, patiently waiting for a penis to shoot out sperm — and you wouldn't be alone. From Aristotle to Darwin, tons of prominent nerds classified males as the active sexual players: They're coercing, manipulating and harassing to reproduce, while the females are passive, coy, chaste. But animal ecologist Dr. Tiana Pir...

It’s the 1990s at a medical center in California, and patients are dying. At first, this doesn’t seem strange — it’s a hospital, and deaths happen. But then rumors start to circulate about a particular health care worker: Difficult or needy patients in his care are ending up dead. The cops get involved, but there’s a huge problem: There’s no hard evidence. Until the so-called “Lab of Last Resort” s...