ICYMI, the mystery of the sailing stones at Death Valley has been solved: Everything has to be perfect. Does walking in formation make men feel more powerful? A photo essay about a family with seven children… in China. And sci-fi art from the 70s, a Tumblr.
Photo: One of the sailing stones leaves trails as it moves across the surface of Racetrack Playa in California s Death Valley National Park on August 18, 2014. (Louis Sahagun/Los Angeles Times/MCT)