The Cartographer Who Mapped Every Freckle

When Elena Vasquez gave birth fourteen weeks early at Mount Sinai Hospital in New York, her daughter Lily weighed just one pound, eleven ounces. For ninety-three days in the NICU, Elena sat beside that isolette and memorized her daughter. She knew which monitor alarm meant a brief apnea episode and which meant the leads had simply slipped. She could distinguish Lily's hungry cry from her tired cry before the nurses could.…