We’re taught loads of scientific facts formally or informally from an early age. And they’re all said to be true and reinforced by our common sharing of them. As time progresses, scientists use new methods to find some of those facts (or, in some cases, rumors that are so pervasive they enter the common psyche as perceived true facts) wrong. In this list, we break down some so-called “facts” we believed to be true and show what the science really says.