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Oblivious to the punishing midday heat, a wheeled robot powered by the sun and infused with artificial intelligence carefully combs a cotton field in California, plucking out weeds.
As farms across the United States face a shortage of labourers and weeds grow resistant to herbicides, startup Aigen says its robotic solution — named Element — can save farmers money, help the environment and keep harmful chemicals out of food.
“I really believe this is the biggest thing we can do to improve human health,” cofounder and chief technology officer Richard…
