Gibson, Daniel G.
Haeckel, Ernst, 1904,
Hume, David, 1757, ‘Of the Standard of Taste’, http://www.davidhume.org
.Humphrey, Nicholas, 2010, ‘The Nature of Beauty’,
Joyce, James, 1914–15,
Kaku, Michio, 2005, ‘Unifying the universe’,
Kelly, Kevin, 2009, ‘Ordained Becoming’, TheTechnium, http://wwwkk.org/thetechnium. Kemp, Martin, 2006, ‘Natural intuitions of science and art’,
Kling, Stanley A. and Demetrio Boltovskoy, 2002, What are Radiolarians? ’, http://radiolaria.org.
Koslow, Tony, 2007,
Krystal, Arthur, 2010, ‘What We Talk About When We Talk About Beauty’,
Lane, Nick, 2009,
Noble, Denis, 2006,
Nobrega, M. A.
Nouvian, Claire, 2007,
Pennisi, Elizabeth, 2011, ‘Going Viral: Exploring the Role of Viruses in Our Bodies’,
Rees, Martin, 1999,
Ryan, Frank P., 2009,
Scarry, Elaine, 1999,
Showalter, Mark R., 2005, ‘Saturn’s Strangest Ring Becomes Curiouser and Curiouser’,
Szostak, Jack, 2010, ‘Recreate life to understand how life began’,
Thompson, D’Arcy Wentworth, 1917,
Wald, George, 1970, ‘The Origin of Death’, http://www.elijahwald.com/origin.html, accessed 2 December 2011.
Zimmer, Carl, 2011,
Zimmer, Carl, 2011, ‘The Human Lake’, http://blogs.discovermagazine.com/loom, 31 March, 2011, accessed 12 January 2012.
Ardrey, Robert, 1969, preface to Eugene Marais,
Balcombe, Jonathan, 2010,
Baumard, Nicolas, 2011, ‘Adam Smith on mirror neurons and empathy’, 23 June 2011, http://www.cognitionandculture.net
, accessed 2 December 2012.Berger, John 1990, Ape Theatre’, first published in
Bulgakov, Mikhail, 1938,
Cheney, Dorothy L. and Robert M. Seyfarth, 2007,
Corbey, Raymond, 2005,
Curtis, Adam, 2007, ‘The Trap: What Happened to Our Dream of Freedom’, BBC2 television, 11 March 2007.
de Waal, Frans, 1982,
de Waal, Frans, 2005,
de Waal, Frans
de Waal, Frans, 2009,
Dunbar, Robin, 2010,
Freud, Sigmund, 1913, ‘Totem and Taboo’, a translation of ‘Totem und Tabu: Einige Übereinstimmungen im Seelenleben der Wilden und der Neurotiker’,