Katharina Unger and Julia Kaisinger, 25 and 28, have developed a device to breed in the comfort of your own home the protein-rich grubs of the meal beetle, to then eat. "With this current design you can make 200-500 grams (seven to 18 ounces) of mealworms every week," Unger told AFP at a recent tasting and fundraising event in Vienna. "You freeze them and then you make them like any other type of meat. You can cook them, roast them, make them into burger patties and mix them into sauce for pasta," she said. Into the top of the sleek,...