Why young men join ISIS? The psychology of terrorists

  Why some people become terrorists? What makes them join extremist movements? How does it happen that they accept to kill civilians and themselves in the name of a religious or ideological cause? There are several explanations of these psychological phenomena and a lot of theories and hypotheses. Without mentioning

The evolution of hand: how we became warriors and boxers

It is well known that the anatomy of hand had a great impact on the human evolution, by allowing the creation and usage of complicated tools. For a long time it has been considered that the human hand, in its actual form, has been a result of creation and usage

Machismo, feminism, digit ratio and facial traits

It is interesting the fact that both the level of testosterone and a person’s higher predisposition towards an aggressive behavior can be displayed by his or her facial traits. More exactly, some scientists claim that such a facial indicator as the facial width-to-height ratio (fWHR) depends on the level of

The effects of marriage on men

The fact that men who get married start displaying less competitive abilities, as compared to the period before the marriage, is very interesting. These observations mainly concern sport competitions, but are, to a certain degree, also valid for arts, science, social activism, creativity and even criminality. Scientists consider that the

Hierarchical competition and the ethology of sexual dimorphism in humans

In many species, males are the ones who dispute the group supremacy and fight for a high hierarchical position that grants them more resources and access to females. Because the genes of the most powerful and aggressive males pass on from one generation to another, the new generations of males