Four specially selected mice will join the #Shenzhou-21 crew on #China’s upcoming #space mission! Chosen for their close genetic similarities to humans, they will help researchers better understand life in space. The taikonauts say they’re thrilled to have these little companions on board for the journey! ⁣ ⁣ #Shenzhou21 #SpaceScience #Taikonauts #SpaceExploration