The Nature of Things · SEASON 21
Prenatal Diagnosis / Hearing in Chinchillas
Episode 10 · 1980-12-10

- Documentary
Episode 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.
Season 21 episodes
1. Volcanoes / Hovercraft / Curve Balls / Windshear / Xerography1980-10-08
2. Cystic Fibrosis / Whooping Crane / Cold-Water Survival1980-10-15
3. Skin – The Bare Necessity / Manatees / Ludhiana1980-10-22
4. Tar Wars1980-10-29
5. Going Without Gas / Surface Tension / Science Fair1980-11-05
6. China Now – Its Roots in the Past (Part 1 of 2)1980-11-12
7. China Now – The Four Modernizations (Part 2 of 2)1980-11-19
8. Success Story / Sickle Cell Anemia1980-11-26
9. Freak Waves / Invisible Astronomy / Hildebrand1980-12-03
10. Prenatal Diagnosis / Hearing in Chinchillas1980-12-10
11. AAAS Report / One of the Family / Oyster Culture1981-01-07
12. Birds' Eggs / Newfoundland Oil / John Polanyi1981-01-14
13. Poisoned Playgrounds / Charlie1981-01-28
14. The Moving Still1981-02-11
15. Sri Lanka: Island of Serendib1981-02-18
16. Blackfly / Desalination / Memory – Come to think of it / Dr. Karl Illmensee1981-03-11
17. The Foxes' Earth1981-03-25