Meet Wileidy Feliciano-Rivera, the Puerto Rico seventh-grader who turned discarded school-cafeteria plantain peels into biodegradable farm mulch that cut weed growth by up to 53% in tests

• Wileidy Feliciano-Rivera collected discarded peels from her school cafeteria and turned them into a biodegradable mulch designed to control weeds in agricultural soil.
• In four-week tests, her two plantain-based mulch versions reduced weed growth by 47% and 53% compared with uncovered soil, wh