In this section we provide background to the introductory discussion of the manuscript. Causal separation implies a tensor product structure: Black holes are defined by their causal structure (their event horizons). The event horizon specifies what is inaccessible from observation by an external observer. In any quantum description of external observables what is inaccessible must be traced out...

1Reproductive Health Research Unit, University of the Witwatersrand. 2Africa Centre for Population Studies and Reproductive Health. 3Pfizer Global Research and Development, Sandwich, United Kingdom. 4South African Medical Research Council. 5Women's Health Research Unit, University of Cape Town. 6Fogarty AITRP, Columbia University School of Public Health, New York, South Africa. Correspondence: ...

1Senior Advisor for Reproductive Health Technology Introduction at Ipas, 300 Market Street, Suite 200, Chapel Hill, NC 27516 USA. Tel: 919.967.7052; E-mail: [email protected] 2Coordinator for the Ipas Africa Alliance for Women's Reproductive Health and Rights, Nairobi, Kenya. Correspondence: Ms. Nina Frankel, Senior Advisor for Reproductive Health Technology Introduction at Ipas, 300 Market Stre...

This paper critically synthesises available research that examines young people's relationships with sugar daddies and mummies. It considers definitional, measurement and analytical issues involved in assessing these relationships, their magnitude, patterns, determinants and consequences. The review compares and contrasts the experiences of young people in a variety of settings in developing co...

This study analyzes the main aspects of the non-clinical profile of D-Camphor, a natural product widely used as a common remedy for several symptoms. The pharmacology, pharmacokinetics and toxicity of this substance are analyzed, with regard to all the literature available, in order to assess a risk profile and better understand the positive and negative aspects connected with its use. The gene...

Initiation of sexual behaviour is a normal part of human development and it often occurs during adolescence. This is common and universal to all societies and cultures around the world with profound implications for sexual and reproductive health. Adolescence is the period when much of the changes that are associated with becoming an adult take place. These are changes which societies expect an...

R esearch on ancient foragers has tended to focus on their acquisition of large land mammals, but our ancestors in fact exploited a wider range of taxa. Depending on the local environment, this range included tortoises, birds, and hares from terrestrial habitats and mollusks, birds, and fish from aquatic habitats. These small terrestrial animals and aquatic species begin to appear occasionally ...

Introduction Conclusions References

Este artículo se centra en el estudio y documentación de la técnica materiales del óleo sobre lienzo Santa Rosalía Gloria intercede por fin plaga Palermo, colección Epiarte, con contribuir a su conocimiento conservación, así como profundizar relación flamenco Anton van Dyck taller, quienes está atribuido. Con estos propósitos, examen visual directo obra ha complementado datos informe intervenci...

A szakirodalom többnyire ortodox kálvinistaként jellemzi a hazai reformátusegyház 17. századi életét meghatározó lelkészeket: Miskolci Csulyak István (1575–1645) zempléni esperes puritánokkal folytatott küzdelme, Tofeus Mihály(1624–1684) erdélyi püspök pedig coccejánus és karteziánus egyházi értelmiség közismert alakjainak radnóti zsinaton (1673) történt elítélése miatt érdemelte ki jelz?t. két...