Social Network (image) University of Oxford Share Print E-Mail Caption This is a social network between simulated individuals. The circles denote individuals and the black lines show interactions between them. The red circles denote those which mainly interact with their own group members and the blue circles show those which mainly interact with others. Credit Oxford University Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.