* Maine instituted ranked-choice voting. (Courtesy: Maggie Astor/NYT)
* The data collection and storage implementations that Mercedes uses for its F1 cars. (Courtesy: Nathan Matisse/Ars Technica).
* Chengdu is the center of Chinese hip hop. (Courtesy: Amy Qin/NYT)
* Colin Powell was against the tear-down-this-wall line in Reagan’s 1987 Berlin speech. (Courtesy: Wikipedia)
* Belgium has the highest concentration of street lights in Europe and keeps most of them on at night. (Courtesy: Milan Schreuer/NYT)
* British Parliamentarian acts were, until only recently, recorded on parchment made out of calfskin. (Courtesy: Jenny Gross/WSJ)
* French Empire chandeliers are a devil to assemble. (Courtesy: Personal experience)