If you were to dig deep below New York City’s streets, past the subway tunnels, you might expect to find thick layers of schist, gneiss and marble.

The Times’s New Critics: Ligaya Mishan and Tejal Rao were named co-chief restaurant critics of the paper. In a Q&A, they share food memories, fitness routines and tips on how to order .

CURRENTLY TRACKING: Expect dangerous heat to move in for the weekend before heavy rain returns Monday through Saturday of next week.