Previous research has identified facial averageness and sexual dimorphism as important factors in facial attractiveness. The averageness and sexual dimorphism accounts provide important first steps in understanding what makes faces attractive, and should be valued for their parsimony. However, we show that they explain relatively little of the variance in facial attractiveness, particularly for...

The aim of this study was to develop a typology of adolescent sex offenders based on object relations theory and Otto F. Kernberg's model of personality organizations (PO). A secondary objective was to compare the identified subtypes on offense characteristics as well as some psychological variables of adolescent sex offenders. Clinical files from 40 male adolescent sex offenders in treatment w...

Understanding the sexual risk behaviors of youths living with HIV/AIDS is critical to secondary prevention of HIV. As part of a larger qualitative study of youths living with HIV, in-depth interviews were conducted with 27 African American and Latino, HIV-infected young men who have sex with men, aged 16-24 years, living in New York City. The study explored the role of substance use, the social...

BACKGROUND AND AIMS In andromonoecious taxa with separate floral types along the inflorescence, architectural or plastic effects can simulate floral sexual dimorphism. Both the primary and secondary sexual characteristics of the cyathia of the protogynous andromonoecious species Euphorbia nicaeensis were analysed according to their sex and arrangement on the inflorescence. METHODS The product...

to determine the effective bio-control agents of water fern, azolla filiculoides, adults and nymphs of water lily aphid, rhopalosiphum nymphaeae (l.), were collected on a. filiculoides in guilan province, iran, during october 2013. this aphid has been collected extensively from almost all water fern samples during 2013 and 2014. although r. nymphaeae was reported from numerous host plants in ir...

This study of men who have sex with men (MSM) examined preferences about the characteristics of a potential product for preventing sexual transmission of HIV, such as a rectal microbicide. MSM were recruited in West Hollywood, California. They self-administered a questionnaire and rated 48 product characteristics representing seven dimensions. Overall, the ratings were highest for effectiveness...