Tracy Caldwell Dyson, Astronaut, describes how she discovered that she wanted to be an astronaut. She compares the excitement of “launch” versus “landing” and describes the thrill of being your own “satellite” during her three space walks.
Watch Marcia Backstrom, DVM, veterinarian and senior clinician at BluePearl Veterinary Partners in Ann Arbor, Michigan, describe her typical day as an emergency care doctor.