A new study suggests that giving students pertinent visual information, such as a diagram or outline, at the start of a lesson will lead to better understanding of that lesson. The study, by Mark A.

In 1973, the statistician Francis Anscombe devised a fascinating demonstration showing why data should always be plotted before it is analyzed. The demonstration consisted of four data sets that had ...

We take our search engine experience so much for granted that it can be hard to see with clear eyes. Consider this: The dead-simple process of Googling something actually has three distinct phases.