title: The smallest astronauts.
authors: Portland State University, USA.
authors: David
authors: D
authors: Warmflash
mesh_terms: D001105:Archaea / Q000502:physiology; D018407:Bacterial Physiological Phenomena; D005057:Eukaryotic Cells / Q000502:physiology; D005118:Extraterrestrial Environment; D018535:Mars; D013026:Space Flight