explorers.com
Mariana Wolfner
Mariana Wolfner has spent her life studying a creature so small it could rest on the tip of her finger. In her hands, the fruit fly Drosophila melanogaster becomes something extraordinary, a key to understanding how life is shaped, sustained, and passed on. On a windy fall afternoon at Cornell, she sat surrounded by papers, notes, and journals. The light came through the window in soft bands as she lifted a golden model of a fly and smiled.