By David Bressoud @dbressoud As of 2024, new Launchings columns appear on the third Tuesday of the month. In the September Launchings, I explained a remarkable result due to Cauchy that if C is a simply closed curve and f is any complex function that is analytic in a simply connected open region that includes C,...

By Keith Devlin @KeithDevlin@fediscience.org, @profkeithdevlin.bsky.social This past month, Tylenol went from being a red-and-white bottle most of us keep in a cupboard for dealing with physical pain—everything from a morning-after headache to post surgery recovery—to being questioned in the US as a potentially dangerous drug (for some people, pregnant women in particular). True, the current US administration...