Small Picture, Big Picture: a photography resource for TOK

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Images and stories – singular tales have power to grip our imaginations and, in vividly capturing individual moments, to evoke a far more general experience. We’ve certainly witnessed the impact on political discussion of the single photo of a drowned child that I blogged on – and so did everyone else! – just recently. ( “How does a single photo of a single drowned child affect our shared knowledge? […]

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“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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Mathematics and Scientific Methodology: example Malaria

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(Originally posted on Activating TOK)  The statistics are horrifying.  Every minute, a child dies from malaria. In 2013, 90% of the world’s malaria deaths occurred in Africa and over 430,000 African children died before their fifth birthdays. And there are plenty more statistics  where these came from : In 2013, there were about 198 million malaria cases (with an uncertainty […]

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