Scientific American ( www.sciam.com) - Great magazine

Scientific American is a great read. Lots of great articles and information. Subscribe or give it as a gift.

Want to take classes from some of the worlds most prestigious Universities -- for free...

You won't get college credit for them -- but you can still learn with the best.

http://education-portal.com/articles/Universities_with_the_Best_Free_Online_Courses.html

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Using math to draw a heart

A nice rendering...

http://mathworld.wolfram.com/HeartSurface.html

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