sperm
Scientists have long puzzled over how fruit fly sperm—stretching up to 1.8 millimeters, nearly the length of the adult body—avoid becoming hopelessly entangled inside storage organs just 200 micrometers wide.…
Scientists have long puzzled over how fruit fly sperm—stretching up to 1.8 millimeters, nearly the length of the adult body—avoid becoming hopelessly entangled inside storage organs just 200 micrometers wide.…