NOVA - Season 21 Episode 5
NOVA covers exciting and controversial research with chimpanzees who have been trained to express themselves with human symbols. Are they speaking their minds? Or are they just aping their trainers?
First Air Date : 1974-03-03
Last Air date : 2024-10-09
Runtime : 57 minutes
Genre : Documentary
Cast :
Crew :
Quality : 
Subtitles :
- Season 21 : Episode 11994-01-18
- Season 21 : Episode 21994-01-25
- Season 21 : Episode 31994-02-01
- Season 21 : Episode 41994-02-08
- Season 21 : Episode 51994-02-15
- Season 21 : Episode 61994-02-28
- Season 21 : Episode 71994-03-01
- Season 21 : Episode 81994-03-02
- Season 21 : Episode 91994-04-12
- Season 21 : Episode 101994-04-19
- Season 21 : Episode 111994-10-11
- Season 21 : Episode 121994-10-18
- Season 21 : Episode 131994-10-25
- Season 21 : Episode 141994-11-01
- Season 21 : Episode 151994-11-08
- Season 21 : Episode 161994-11-15
- Season 21 : Episode 171994-11-29
- Season 21 : Episode 181994-12-06
- Season 21 : Episode 191994-12-20
- Season 21 : Episode 201994-12-27
