This article looks to find the ideological causes that lead human beings to war or peace nowadays, in the Internet era.This proposal is worthy of study as war is not a need in terms of human nature or history: we are capable of war and peace simultaneously.However, why does war survive if we are able to live in peace? In our opinion, the actual cau
Evolutionary theories suggest that dreams function as a world simulator of events that maximizes our ability to surmount social and threat-related challenges critical to survivorship and reproduction.Here, in contrast to the incorporation continuity hypothesis, we test the (1) social bias hypothesis, which states that dreams will overrepresent posi
Community detection is a critical issue in the field of complex networks.Recently, the nonnegative matrix factorization (NMF) method has successfully uncovered the community structure in the complex networks.However, this method has a significant drawback; most of community detection methods using NMF require the number of communities to be preassi
The analysis of hiring penalties due to spelling errors has been restricted to white-collar occupations and error-laden resumes.Moreover, the mechanisms underlying these penalties remained unclear.To Bumpers fill these gaps, we conducted a scenario experiment with 445 recruiters.Compared to error-free resumes, hiring penalties are inflicted for err
Environmental exposure to metals is ubiquitous, but its relation to androgen hormone levels is not well understood, especially in children and adolescents.This study aimed to explore the relationship between blood metal concentrations (lead, cadmium, total mercury, selenium, and manganese) and serum total testosterone (TT) levels in 6-19-year-old c