Suburban St. Louis Firm Working to Improve Cacao Tree

CREVE COEUR, MO (AP) — The candy company Mars Inc. is partnering with a suburban St. Louis company in an effort to improve the cacao tree.The St. Louis Post-Dispatch reports that Mars and Benson Hill Biosystems of Creve Coeur, Missouri, are working together in the effort. Benson Hill has a crop-design platform that combines genetic editing…