PETER SAGAL, HOST:
OK, panel. It is time for you to answer some questions about this week's news. Helen, scientists have found a new effect of environmental degradation. Pollution may be shrinking what?
HELEN HONG: My first thought - and I don't know if it's NPR-friendly. I'm going to say guys'...
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SAGAL: That's exactly what the answer is.
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HONG: What?
SAGAL: Congratulations.
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HONG: What?
SAGAL: A new book by an environmental scientist says not just that sperm counts are falling because of pollution - we knew that - but the delivery equipment is now shrinking to fit. A particular kind of plastic can cause smaller genitals in animals and humans. And it's everywhere.
HONG: Oh, great.
SAGAL: So now do you care about the environment, men? Now do you care?
HONG: Yeah.
ALONZO BODDEN: (Laughter).
HONG: If anything is to get men to start recycling, this should be it.
SAGAL: Well, they thought that this would get people, men finally excited. But then, of course, the men realized this does not act on extant equipment, but it only affects development in newborns. And all the men realized if they just wait long enough, they can finally truthfully claim to be average.
BODDEN: Generation X, Generation Y, Generation Z, Generation hey, shorty.
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SAGAL: Coming up, we finally head back to the office. It's our Bluff The Listener game. Call 1-888-WAIT-WAIT to play. We'll be back in a minute with more of WAIT WAIT... DON'T TELL ME from NPR. Transcript provided by NPR, Copyright NPR.