Tired of searching for the right graph paper for school? Graph Paper Maker lets you make your own.

The takeaway: every bar graph needs a zero on its scale. If you see one without a zero, be careful. In a future post I'll discuss whether line graphs and other graphs also need a zero on their scales.

If you’re a biomedical researcher and you’re using bar graphs for continuous data, Tracey L. Weissgerber has one word for you: “Stop.” Weissgerber, a physiologist at Mayo Clinic, is on a ...