See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Common sense might not be so common after all, new research has found.

The idea of "common sense" often implies a static, universal understanding of what is practical, logical, and appropriate. It's the unwritten rulebook passed down through generations. However, history ...

In my youth, I came to understand the term "common sense" as implying that though you may not have extensive knowledge about a topic or even extensive skill in reasoning, you likely have enough of ...