
Plants with contrasting root systems, genetically engineered, left, and not, are displayed at the Salk Institute for Biological Studies in La Jolla, Calif., Wednesday, Dec. 3, 2025. (AP Photo/Annika Hammerschlag)

Plants with contrasting root systems, genetically engineered, left, and not, are displayed at the Salk Institute for Biological Studies in La Jolla, Calif., Wednesday, Dec. 3, 2025. (AP Photo/Annika Hammerschlag)