Are average college tuition and fees really rising in the United States? Here is a fascinating take on the rising cost of college tuition and how price discrimination may explain what is often seen as an insurmountable cost for...

Pupils discuss what happens to trash after it is collected. They sort "clean" trash into groups depending on whether it should be recycled, incinerated, placed in a landfill, composted or if it is something we could avoid using.