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Arika: Minnesota student Arika Kundu, 13, designed a method that turns peanut-shell waste into a material for removing pesticide residues from fresh produce; she is now competing for a $25,000 science prize

Science July 30, 2026

Arika Kundu, 13, uses peanut shells to help remove pesticide residues from produce. A 13-year-old Indian-American student from Minnesota has…