David Dobbs, “Restless Genes”, National Geographic, январь 2013 г.
17
Donald C. Johanson, Lucy’s Legacy (Нью-Йорк: Three Rivers Press, 2009), 267; Winifred Gallagher, New: Understanding Our Need for Novelty and Change (Нью-Йорк: Penguin Press, 2012), 18–25.