BEIJING—An explosion at a steel mill in China’s northeast killed at least four people and left five hospitalized with injuries, the city government said Friday. A blast furnace exploded Thursday morning at the Yingkou Iron and Steel Co., Ltd. in Yingkou, east of Beijing in Liaoning Province, the city’s Emergency Management Bureau said in a…

“My dad and I have one rule: He’s only allowed to tell me one new idea a day”—so Emma Zimmerman begins her book, “The Miller’s Daughter.” Yet it was one of Jeff Zimmerman’s “wild ideas” in 2009 that halted Emma’s doctoral path in neuroethics and set her on the road to what she now calls…

BELGRADE—A few hundred meters from the huge furnaces of the Chinese-owned Smedrevo steel mill in central Serbia, the village of Radinac is covered in thick red dust. Cancer rates have quadrupled in under a decade, and residents want the plant to clean up or be shut down. Zoran, 70, a throat cancer patient who speaks…