Why Do Babies Cry: Once Again About Egoism and Altruism

Once again about interchain hopping

Renormalization group equations and a phase diagram are derived for a system of two chains with a single-electron hopping between chains in order to correct the results of a recent paper by F. V. Kusmartsev, A. Luther, and A. Nersesyan, Pis’ma v Zh. Exp. Teor. Fiz. 55, 692 (1992) [JETP Lett. 55, 724 (1992)]. In a recent paper [1], the effect of a single-electron hopping (SEH) between chains in ...

The egoism and altruism of intergenerational behavior.

Some of the most important issues in society today affect more than one generation of people. In this article, the authors offer a conceptual overview and integration of the research on intergenerational dilemmas-decisions that entail a tradeoff between one's own self-interest in the present and the interests of other people in the future. Intergenerational decisions are characterized by a comb...

About the Origin of Cooperation and Its Relation with Altruism and Egoism

Completed egoism and intended altruism boost healthy food choices.

Based on the self-licensing literature and goal theory, we expected and found that completed (im)moral actions lead to markedly different food choices (Studies 1 & 2) than intended (im)moral actions (Study 2). In Study 1, people more often chose healthy over unhealthy food options when they recalled a completed egoistic action than when they recalled a completed altruistic action. Study 2 confi...

Schwarzschild and Synge Once Again

We complete the historical overview about the geometry of a Schwarzschild black hole at its horizon by emphasizing the contribution made by J. L. Synge in 1950 to its clarification. KEY: Schwarzschild solution; Synge; black hole; horizon