Khan Academy @khanacademy · 31 Aug 2026
Big ideas can start with something personal. Students ages 13–18: explain a concept in math, physics, or life sciences in a video of two minutes or less for a chance at a $250K scholarship. Entries are due Sept. 15: https://t.co/YiQRCsJ0Bp https://t.co/DLZJrkmCn5
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