Stage 5: Justify thinking. A vital habit that many students need to solidify is recontextualizing after they solve ...

Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

Mathematician Grigori Perelman solved the Poincaré conjecture, and then rejected the $1 million prize that came with it.

November 12, 2025 • The sun has burped out bursts of energy called coronal mass ejections that could reach Earth Tuesday night. Forecasters said the vibrant displays could be visible across much of ...