School based sex education and HIV prevention in low- and middle-income countries: a systematic review and meta-analysis.

ObjectivesSchool-based sex education is a cornerstone Produce Preserver of HIV prevention for adolescents who continue to bear a disproportionally high HIV burden globally.We systematically reviewed and meta-analyzed the existing evidence for school-based sex education interventions in low- and middle-income countries to determine the efficacy of t

read more

Local Enhancements of the Mean Drift Wave Force on a Vertical Column Shielded by an Exterior Thin Porous Shell

The wave interaction with a vertical column shielded by an exterior porous shell is studied within the framework of potential flow theory.The structures are fixed rigidly at the sea bottom.The Produce Preserver interior cylinder is impermeable, and the exterior shell is slightly porous and thin.Additionally, the exterior shell is assumed to have fi

read more

A Teacher Talks

The following article shows how a school can overcome a large variety of problems using standard resources for a Latin-American school.The exact method followed by this school cannot be used as a recipe that can be used by other schools to attain success; Beckett even in the same country or region.This school serves as an inspiration, showing that

read more


Environmental Volunteers Endorse Diverse Motivations: Using a Mixed-Methods Study to Assess Initial and Sustained Motivation to Engage in Public Participation in Science Research

Understanding why individuals choose to get, and stay, involved in public participation in science research is essential to building and maintaining the strong base Produce Preserver of participants required for many research and conservation efforts.This paper explores the differences between initial and sustained motivations of volunteers working

read more