Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Planners and anti-suburb activists tend to promote density as a cure-all for America's urban centers, including Portland's. But here's some pushback from the blog "Newgeography," by Rick Harrison, ...

Wax is made of carbon and hydrogen atoms bonded together in long chains. The chains are tangled, intertwined, and packed together to make the wax. Water molecules are packed more closely together than ...

Did you know this Tuesday is Mini-Golf Day? It's random, I know, but let's have some fun with it! Here's our friend Delia Navarro at the Bakersfield Sylvan Learning Center with a lesson in density ...