In California, photographer Anand Varma collaborated with scientists to explore the mechanics of a hummingbird in flight. By using a fine mist—created by ultrasonic foggers—to visualize airflow around an Anna’s hummingbird, the team captured the movements that occur as its wings flip more than 90 degrees and reverse course. Explore more remarkable images from the National Geographic archive: https://on.natgeo.com/GnGZjh