Happy Pi Day!

Mar 14, 2013

HAPPY PI DAY! To everyone who's a fan of learning. Here's a delightful way to spend an hour (or 3.14 hours): Check out the Ten Most Popular TED-ED talks so far. Enjoy!

Happy Pi Day!

Mar 14, 2013

HAPPY PI DAY! To everyone who's a fan of learning. Here's a delightful way to spend an hour (or 3.14 hours): Check out the Ten Most Popular TED-ED talks so far. Enjoy!

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