Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...

How to Extract a Substring in Excel Using FIND() and MID() Functions Your email has been sent Learn how to use MID() and FIND() and then combine them to parse substrings from inconsistent data.

What is a Lesson Plan? An effective lesson plan demonstrates how a teacher creates objectives for his or her students and measures how those objectives are mastered. Creating a lesson plan begins with ...

In a 1915 essay, Sigmund Freud introduced an enduring phrase—“the return of the repressed”—to explain how ideas and impulses that are self-consciously suppressed nevertheless bubble up and re-emerge.

A new driving school recently opened up in Fresno and Clovis. All of the instructors are retired from their former careers, but the business owner says that's exactly why they hired them.

Essential biological functions are thought by many to be evolutionarily ancient. By scrutinizing the origin and evolution of a new essential gene in Drosophila melanogaster, Karr and colleagues show ...

“I don’t think my child understands the importance of honesty,” a mother once said to me, after she found her child lying about eating Halloween candy that had been made off-limits. We teach children ...