Overview:
Prenatal Diagnosis: Presents new techniques to examine the fetus while still in the womb to determine its sex and detect possible defects. Hearing in Chinchillas: A look at the similarities between the human ear and the ear of a chinchilla, and a study of how noise can permanently damage hearing in both. Chinchillas are subjected to loud tones and their inner ear membranes are examined for damage in an electron microscope.
Release Date : 1980-12-10
Genre : Documentary
Duration : -
Rating : â 0/10 (0 votes)
Actors : -