jsc2024e006078 (1/18/2024) --- A = Free floating BC neurospheres, produced from 11 days mouse embryo, expressing red fluorescent protein under actin promoter; B = 3D-printed BC neurospheres in gelatin scaffold 3 days after printing; C = BC neuropsheres survival after Maser15 microgravity exposure (NucGreen™ Dead 488 ReadyProbes (Invitrogen, Cat# R37109) staining for green dead BC neuropsheres, and live BC neurospheres imaged in red without staining). Credit: Uppsala University, Department of Immunology, Genetics and Pathology