Darren looks into the important claim that Batman never kills. Elan talks about the placebo effect’s evil twin sister: The Hawthorne Effect. Jon conducts a game of Science Fiction or Science Fact about pirates, yarrr!
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Has Batman Ever Killed?
The Hawthorne, Pygmalion, Placebo and other effects of expectation: some notes
psychology.about.com- Hawthorne Effect
Straight Dope on whether or not pirates buried their treasure