Scholars compare statues of Columbus and discuss how each memorial captures his personality. Academics also complete a worksheet and discuss how some people have called to remove statues honoring Columbus. 

Sixteen slides showcase an average day on the job for a paleontologist, Ross MacPhee. Engaging images include world maps and real-world photographs from an archeological dig in Antarctica. A brief description accompanies each slide.

Cell phones are likely made of gold—at least part of them! An interesting lesson explains the conventional and not-so-conventional uses of the popular element gold. From the Inca empire to modern-day technology, learners discover gold...