For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

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

For decades, Congress has been the land of the permanent incumbent. Polls show that nearly nine in 10 Americans want term limits, yet every attempt to impose them has failed because Washington won’t ...

Each zone in The Outer Worlds 2, aside from minor side zones, appears to feature some sort of collectible side quest to keep ...

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

The COLA method can help identify whether you're operating on speculation, belief, evidence, or principle—and respond ...

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...

When Stacia was 21, she was struggling with severe depression. A stranger's simple question gave her safety during a time she ...

Simple interest is paid only on the principal, e.g., a $10,000 investment at 5% yields $500 annually. Compound interest accumulates on both principal and past interest, increasing total returns over ...

Russians in Minnesota find the Ukraine war both simple and complex Many are horrified by "Putin's war," but they realize those back home may not see it the same way.