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Circumcisions for Cancer, This Week in Science History, Oh Toxoplama, Great Tit Geigercounters, Worry and Die, Mammalian Growth Spurt, The Dieting Fallacy, NO Allergies, This Week in the End of the World, The Weird from Washington, TWIStributor #1!!!, Eat to Quit, The Nitty Gritty, & TWIS Inventorama Challenge