Are aliens among us?

مسئولیت بین المللی دولت ها در قبال اخراج بیگانگان با تأکید بر رویه ی دیوان داوری دعاوی ایران- ایالات متحده

International law allocates large discretion for States on the issue of permission to enter and deportation of aliens. States enjoy almost absolute discretion for the entry of foreigners. But once they are on their territory, international law expects the territorial State to observe certain rules vis-à-vis the alien. The present Article deals with the latter aspect of the rules of state resp...

باروری‌های پزشکی و بررسی مبانی فقهی و حقوقی آن با تأکید بر ضرورت تأمین مصالح شریعت

Background and aim: Population increase is one of the most important goals of life and has high position in societies. Infertility is an issue that has caused a new discussion in medical and nonmedical sciences, and, consequently certain legal and juridical issues have been created in human society especially current Iranian society. The aim of this research is to examine juristic and legal bas...

Interaction, abstraction and complexity

In an experimental study, we test the hypothesis that constitutive properties of social interaction such as diversity in cognitive styles, knowledge and experience enhance cognitive processes of abstraction. Through three sessions, individuals and dyads categorized aliens based on combinations of features such as the shape and color of their body parts. We manipulated relations among the featur...

Are we made of aliens?

Phylogenetically poor plant communities receive more alien species, which more easily coexist with natives.

Alien species can be a major threat to ecological communities, but we do not know why some community types allow the entry of many more alien species than do others. Here, for the first time, we suggest that evolutionary diversity inherent to the constituent species of a community may determine its present receptiveness to alien species. Using recent large databases from observational studies, ...