Season 1, Episode 10 The First Signs of Washoe
First Aired: May 5, 1974
How scientists taught a chimpanzee to communicate with sign language. The chimp's progress is traced, from her first words to "conversations" with humans. Also: research with Lana, a chimp who communicates in sentences by pushing coded keys sequentially on a computer console.
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- Premiered: March 3, 1974
- Rating: None
- Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)