The space salad contains ingredients — including soybean, poppy, barley, kale, peanuts, sweet potato and sunflower seeds — that could be grown on spacecraft and provide optimum nutrition for astronauts. The space salad. Image credit: University of Adelaide. “We have simulated a mix of six to eight crops that deliver all the required nutrients that an astronaut needs, which is different from what people need on Earth,” said Professor...
