Homework for grown-ups : everything you learned at school . . . and promptly forgot

A nostalgic compendium of essential knowledge that can help you show the world that you're smarter than a ten-year-old after all! -- Have you ever stared blankly at your kids when they've asked why the sky is blue? Or clumsily changed the subject when they've wanted to know why the wind blows? If you're done with school, it's likely you're also done knowing the difference between an isosceles and equilateral triangle, and you probably leave parti...