Development (2) Language (2) Time (2) Synapses (2) Creation (2) Brain (2) temps (durée) (1) pierre (1) papier (1) point (1) Implements (1) Textbooks (1) Textbooks (1) Pictorial works (1) Hominids (1) Tools (1) Stone (1) Pictures (1) Paper (1) Necessity (Philosophy) (1) Marks (Medieval land tenure) (1) Lion (1) Evidence (1) Back (1) Art (1) Research (1) Influence (1) Necesidad (Filosofía) (1) Sinapsis (1) Libros de texto (1)