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“WAITER, there are beetle larvae in my tortilla.” “Yes sir, they’re good for you.” At least, that’s what food scientist Ana Barba de la Rosa thinks. Her aim? To provide a cheap source of protein and fatty acids for Mexico’s poorest people.

“The idea is that every family has these larvae at home, in an environment they know to be clean,” says Barba de la Rosa, head of a team turning out the unusual tortillas at the Potos’ Institute of Science and Technology in San Luis Potos’, some 400 kilometres south of Monterrey.

You won’t find Barba de la Rosa’s…

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