Horizon
Season 30 Episode 19 - A Vital Poison
7.4 ?
1964
Documentary
Horizon describes how researchers discovered that a lethal gas, called nitric oxide, was behind some of the most basic functions of our bodies.
Episodes in Season 30
1
Awakening the Frozen Addicts
60 min
2
Cheating Time
60 min
3
TB - The Forgotten Plague
60 min
4
No Ordinary Genius (1)
60 min
5
No Ordinary Genius (2)
60 min
6
Mars Alive
60 min
7
Suggers, Fruggers and Data-Muggers
60 min
8
The Pyramid Builders
60 min
9
Here Be Monsters
60 min
10
Iceman (Update)
60 min
11
Whatever Happened to Star Wars
60 min
12
Resurrecting the Dead Sea Scrolls
60 min
13
Dante Goes to Hell
60 min
14
Ghosts in the Dinosaur Graveyard
60 min
15
The New Alchemists
60 min
16
Allergic to the 20th Century
60 min
17
Wot U Looking At?
60 min
18
The Electronic Frontier
60 min
19
A Vital Poison
60 min
NOW PLAYING
20
Chimp Talk
60 min
21
Life is Impossible
60 min
