Jeanne DeRosa is a middle school math teacher in Natick who moonlights as a stand-up comedian. Her comedic persona, "MAD Barbie," focuses on her life as a middle-aged, divorced woman. DeRosa began her ...

Former Education Secretary Margaret Spellings on testing, accountability, and how to reverse the decade-long decline in U.S.

A classic riddle about a hotel bill uses misleading math to create a paradox. This type of intentional misdirection is a ...

The word 'virus' gets tossed around a lot. Here's what actually counts, what to watch for, and how to stay two clicks ahead ...

Brain teasers are fun little puzzles that challenges your thinking and makes you think various outcomes. These puzzles are simple to look but they always hide a twist that surprises you. Solving a ...