“Evidence-based medicine”: a class discussion, with a caffeine lift!

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(Originally posted on  Activating TOK)  Did you know that green coffee bean extract can help you lose weight? No? Me neither! Today, I’d like to propose a class discussion on thinking critically about media knowledge claims for products that yield fabulous (literally) medical benefits. The discussion is given a caffeine lift by a bite-sized example from a year […]

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Backward Brain Bicycle: memory and knowing how

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(Originally posted on  Activating TOK)  “Knowledge”. “Understanding”. “Truth”.  Your students might want to argue with the way Destin Sandlin uses the terms — and so will you — as he struggles to learn how to ride what he calls the Backwards Brain Bicycle. This video is likely to provoke ripples of laughter and to animate discussion on “knowing how” and on memory as […]

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