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

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

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

The 2025 Formula 1 seasons has moved into its business end with the title still very much up for grabs. Lando Norris made the perfect start to his title challenge in Australia as he looks to dethrone ...