In “The Once and Future World Order,” by Amitav Acharya, and “The Golden Road,” by William Dalrymple, our best hope might be that history repeats itself. A statue of the Buddha in Kamakura ...

The map, called Bedmap3, gives a clear view of the towering mountains and deep canyons hidden by the ice sheets. It was compiled using more than 60 years of data from planes, satellites, ships and ...