Back in 2008, Khan Academy started as a simple library of YouTube videos, but has grown to become so much more. Over 15 millions students per month are learning across the platform, and they’re lear
Via Karen Miller, Mark E. Deschaine, PhD
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Oana Juncu's curator insight,
February 21, 2017 2:49 AM
La pensée en Multi-dimensions, toujours aussi puissante !
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