In the first case, there is a strong upward-sloping relationship between X and Y; in the second case, no apparent relationship; in the third case, a strong downward-sloping relationship. Note the ...

The Trump administration's take on Tylenol and autism has led to confusion. It has put doctors who treat people who are pregnant or families with young children on the front lines of helping patients ...

Years ago, our firm employed a junior investment analyst who left us for supposedly greener pastures. In his exit interview, he told me he was leaving in part because he was great at picking ...