1: The origins of language
1.1- The natural-sound source
1.2- The oral-gesture source
1.3- Glossogenetics
1.4- Physiological adaptation
1.5- Interactions and transactions *
2: The properties of language
2.1- Communicative versus informative *
2.2- Unique properties: Displacement; Arbitrariness; Productivity; Cultural transmission; Discreteness; Duality *
2.3- Other properties
3: Animals and human language
3.1- Chimpanzees and language: Washoe; Sarah and Lana;
3.2- Hans, Buzz and Doris
3.3- The controversy; Kanzi
3.4- Using language