Figure 2.1 A CAPTCHA Challenge
Figure 2.2 A Pattern from Rule 30
Figure 2.3 A Sea-Snail Shell Pattern
Figure 2.4 A Pattern from Rule 22
Figure 2.5 Supply and Demand in a Simple Market
Figure 2.6 Prices Arising in Some Experimental Markets
Figure 3.1 Major US Market Indices on May 6, 2010
Figure 3.2 The Price and Volume of E-mini Contracts on May 6, 2010
Figure 4.1 Honeybee Workers Cooling a Hive
Figure 5.1 A One-Dimensional Search Problem
Figure 5.2 Search Using Simulated Annealing
Figure 6.1 Chemotaxis Search in a Simulated Bacterium
Figure 6.2 Irrationality Induced by Irrelevant Alternatives
Figure 7.1 A Swarm of Honeybees
Figure 7.2 Swarm Dances over Time
Figure 7.3 Likelihood of a Quorum Forming for the Best Choice
Figure 7.4 Risk Aversion in Decentralized Decision Making
Figure 7.5 A Circular Mill of Ants
Figure 8.1 The Community of Lakeland
Figure 8.2 The Dynamics of Lakeland
Figure 8.3 A Small World Network
Figure 8.4 The Schelling Segregation Model
Figure 9.1 Metabolic Scaling
Table 9.1 Deaths in Warfare, 1820–1945
Figure 10.1 Balinese Rice Terraces
Figure 10.2 Offerings to the Goddess of the Lake, Bali
Figure 10.3 A Simple Two-State Automaton
Figure 11.1 Self-Organized Criticality in a Sand Pile
Figure 12.1 A MCMC Frog