Mary Roach

speaker

1,088 appearances 3 recordings 3 series first heard Sep 2025 last heard 26 Mar

Mary Roach’s voice in public audio — every appearance, attributed to the second.

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Recordings per month over the last 12 months — 2 in all, peaking in Mar 2026 with 1.

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Science Vs · The Great Mysteries of Sex with Mary Roach · 26 Mar 2026 podcast

And I was looking at the eyes and the mouth.

So I wasn't tuned in to how the sound might have been showing her delight.

Wow.

Yeah.

Pigs have a—I feel the pigs have a very vibrant sex life.

Not only is the ejaculation going on for minutes at a time, five minutes apparently, the female, the clitoris, is right just inside the vagina.

So it's getting stimulated.

So if the sow is—

enjoying things, then it is, you know, it does affect conception.

And I was like, whoa, does that mean, you know, whoa, how do we jive that with, does this mean that women, in women, does this happen also?

Because there's a number of studies.

There was like hamster and gerbil and

rodent other rodent studies that maybe it did affect fertility so along come masters and johnson masters and johnson to the rescue they're like i don't think so i don't think so at all and we're going to prove it and so they did here again the creativity of these researchers was amazing and they're like okay here's what we do we make some artificial semen okay and i had the recipe in the book i think it involved corn starch anyway and they had to be

The right viscosity and everything.

They put it in a sort of a cervical cap and installed it or the woman, you know, put it in and then they set her up in front of an x-ray machine and she masturbated and they took x-rays because, you know, the radio opaque so it'll show up.

So the semen will show up so they can see if it's being sucked up during orgasm.

And that's what they did, and they didn't see any upsuck.

No, no, they didn't find that that happened.

Also, someone else pointed out that the uterine contractions are expulsive.

They're not sucking in.

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