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We'll pick it up with Wade's response to Elkin's rebuttal. The other voices you'll be hearing are playwright Anna Ziegler, crystallographer Helen Berman and moderator Stuart Firestein. Wade: ...

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Firestein: Now here we're dealing with something historical, where there are likely to be, now 50 years later, I suppose, a variety of points [of views,] even from the eye witnesses. So, what...

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Firestein: So these are all issues they confront individually and as a community and one forum for bringing these things into something like [daylight for us all] is to use the popular media o...

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Questioner: You spoke about the speed of light in the program, but what about neutrinos going faster than the speed of light? Greene: Well, that happened after the program w...

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Steve: Well, I never learned Linus's life lessons, and since it is Halloween we are going to talk about great pumpkins. Plus, we'll test your knowledge about some recent science in the news. ...

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Steve: I've seen it many times but I can't conjure it up in my head right now. DiChristina: The above the fold image, there's a new technology that's displayed, and this is an August issue, ...

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Steve: So let's talk about, you know, what's embryonic stem cells, what are these things and what is the potential? DiChristina: Okay, so just to back up really quickly, embryonic stem cells...

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Steve: Let's get Michael Moyer in here for a second. Michael, you're the author of an infographic and text piece called "The Dirty Truth About Plug-in Hybrids", and there's some amazing stuff i...