a museum in munich germany. the focus is on food of the future. in vitro tissue is widely used in medicine scientists have cultured skin elopes and even heart valves in so-called bio reactors. so why not go a step further. and grow steak n schnitzel to it's actually pretty simple you extract a muscle stem cell from a living animal it's then cultured in a nutrient rich solution where it multiplies. the stem cells develop into muscle cells. which grow together to form muscle fibers. the process takes a few weeks 20000 of them make up one burger. dutch pharmacologist