Topic
Statistics
2 articles
Society
Why does the other queue always move faster?
Everybody believes it and everybody assumes it is a complaint rather than a fact. Two researchers measured the same effect on a highway and found that it is genuinely true, for a reason that has nothing to do with luck.
History of science
How did one doctor work out that hands were killing his patients?
Two maternity clinics stood in the same Vienna building, a few steps apart. In one of them, mothers died nine times as often. Nobody could see why, and one doctor worked it out anyway.