Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about numbers. And while that may seem daunting, most kids enjoy sharpening their math ...
Mathematician Grigori Perelman solved the Poincaré conjecture, and then rejected the $1 million prize that came with it.
Viscous fingering occurs when a thinner fluid pushes a thicker, more viscous fluid in a porous medium, like underground rock, ...
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