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Microbes and health: The debate continues

Last week, I linked you to a piece pointing out that three New York Times op-ed pieces linking bacterial exposure (or lack thereof) to autism, celiac disease, and allergies were all written by the same guy, Moises Velasquez-Manoff. His ideas are interesting, but there's also good reason to be skeptical. If you want to get a better idea of the arguments for and against Velasquez-Manoff's thesis, I'd recommend checking out this post at the Knight Science Journalism Tracker, which links to several critical stories and to Velasquez-Manoff's response to them. Maggie 1

Amateur scientists vs. cranks

This is video of a talk given last year by David Dixon, assistant professor of math, science and engineering at Saddleback College in California. He used to work in the Physics Department at California Polytechnic State University, which, like many physics departments around the world, received loads of correspondence from non-scientists who thought they had come up with earth-shattering, game-changing hypotheses that needed to be shared.

Now, sometimes, laypeople come up with good ideas that should be explored. But many of these letters are better classified as the work of cranks — folks who had big ideas, cared deeply about those big ideas, but who were dead wrong ... and utterly impervious to the idea that they might be wrong.

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