Great ape vowel-like and consonant-like sounds are thought to be closest to precursors to human language Warwick researchers show that orangutan calls can travel through forest over distance without ...

7.52 x 4.76 x 2.99 in. (19.1 x 12.1 x 7.6 cm.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...