For children who find math difficult or frustrating, or who just like to be challenged, there are many cool math games online to play for free. But are they useful? Research shows that the brain’s ...
Like math? Like puzzles? Then meet Bojagi, a game created by David Radcliffe (@daveinstpaul). It looks simple enough. A grid has a few numbers in it. The goal is to draw a rectangle around each number ...
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In 1974, a geneticist named Marsha Jean Falco devised an ingenious research tool to help determine whether epilepsy in dogs was an inherited trait. She drew a series of symbols on index cards, where ...
Learn maths on your Mac using these online maths courses. Mathematics is a great subject to learn, and OS X is the ideal environment to hone your math skills. In this feature, we’re going to look at ...
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