"Ignaz Semmelweis was a physician working in a maternity ward in the 1840s. He noticed something disturbing: women giving birth in the ward staffed by doctors and medical students died from "childbed fever" at rates of 10-35%, while a nearby ward staffed by midwives had death rates under 4%. The key difference was that doctors were coming straight from performing autopsies to delivering babies, without washing their hands. They would dissect cadavers in the morning,"
"Right now, in early 2026, state legislatures across the country are trying to outlaw a proven treatment for traffic injuries and fatalities. Speed enforcement cameras are proven to reduce vehicle speeds and reduce crashes. According to the US Department of Transportation's Proven Safety Countermeasures initiative, fixed speed cameras can cut crashes on urban principal arterials by up to 54% for all crashes and 47% for injury crashes. For obvious reasons, school zones are the first place communities tend to install safety cameras. Speeding near schools"
Ignaz Semmelweis identified that maternal "childbed fever" deaths were far higher in wards where doctors moved from autopsies to deliveries without washing their hands. Implementing a chlorine handwash policy dropped mortality from 10–35% to about 1–2%. Professional resistance led to Semmelweis's ostracism and a return of higher death rates until handwashing became standard decades later. Automated speed enforcement cameras demonstrably reduce vehicle speeds and crashes. The U.S. Department of Transportation cites up to 54% reductions in all crashes and 47% in injury crashes on urban principal arterials. School zones are prioritized for cameras because speeding endangers children.
Read at Fast Company
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