This video explains how the dollar sign is used in Excel formulas to control whether cell references stay fixed or change ...

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

When you start to research a topic, you might not know exactly how you will be using the data you collect. Regardless, you need to organize your data, and survey forms are a great way to start. Survey ...

Although slavery is illegal in every country in the modern world, it still exists, and even on the narrowest definition of slavery it's likely that there are far more slaves now than there were ...