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Horizon: 1997x7
Turned On by Danger
Horizon reports on a radical new theory by Professor Polly Matzinger about the human body’s immune system.
1997 - 1Psychedelic Science Feb. 27, 1997- 1997 - 3Shipwreck Mar. 13, 1997
- 1997 - 4Genius of the Jet Mar. 20, 1997
- 1997 - 5Smallpox on Death Row Mar. 27, 1997
- 1997 - 6Silent Children, New Language Apr. 03, 1997
- 1997 - 7Turned On by Danger Apr. 17, 1997
- 1997 - 10Destination Mars (Update) Jul. 04, 1997
- 1997 - 11Crater of Death Sep. 11, 1997
- 1997 - 12Mind Over Body Sep. 18, 1997
- 1997 - 13Out of Asia Sep. 25, 1997
- 1997 - 14The Virus that Cures Oct. 09, 1997
- 1997 - 15The Man Who Lost his Body Oct. 16, 1997
