Are buffalo and bison the same? How can you tell a toad from a frog? This article clears up confusion on mixed-up groups of animals.

It’s time to rethink Bloom’s ladder. Learning is mastery, made observable in the ways students act, adapt, and solve problems ...

Biggest vs smallest - how do we measure up in the grand scheme of the universe? Explore the fascinating scales of existence, from quantum particles to the observable universe’s edge. A journey into ...

As climate change leads to more destructive hurricanes, some experts have proposed adding a “Category 6” to the Saffir-Simpson Hurricane Wind Scale, but not everyone thinks it’s a good idea.

When students see their content mastery mapped out, they’re more likely to understand their proficiency—and take ownership of their progress.

The return of Alabama, Oregon proves themselves, and more of Joel Klatt's reactions to a wild Week 5 of the college football season.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Steffan: While some schools are grouping readers by ability, our district has had success teaching students in their classroom cohorts.