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November 9, 2011 9:12 PM Subscribe
The presence of A is a good sign B exists, but as people learn about the A trick they take pains to display it so it isn't as reliable a sign of B anymore. What's the term for this, is its rate of adoption reliably based on other variables, and who writes about it?
posted by michaelh to science & nature (20 answers total) 27 users marked this as a favorite