The loss of Y-linked genes during sex chromosome evolution creates a potentially deleterious low gene dosage in males. Recent studies have reported different strategies of dosage compensation. Unfortunately, most of these studies investigated taxa with comparatively old sex chromosome systems, which may limit insights into the evolution of dosage compensation and thus into the causes of differe…

Rickettsia felis (Alphaproteobacteria: Rickettsiales) is the causative agent of an emerging flea-borne rickettsiosis with worldwide occurrence. Originally described from the catflea, Ctenocephalides felis,recent reports have identified R. felis from other flea species, as well as other insects and ticks. This diverse host range for R. felis may indicate an underlying gen…

This article explores the discursive afterlife of the 1822 murder of Marie Gérin by the Abbé Mingrat, who subsequently fled France and was never extradited. The crime, which the Restoration government attempted to conceal, is read here as a cause célèbre that acted throughout the Restoration as a watchword of anticlerical and otherwise oppositional opinion. The article examines pamphlets pu…

Tahun Terbit

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Tahun Terbit

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Most readers are likely to have come across the out-of-print and untranslated work of the Belgian author Sophie Podolski primarily through her brief appearances in pieces by Robert Bolaño and thus to perceive her as a gifted but tragic artist-victim, a poétesse maudite whose associative flow, graphic style, and often tortured self-awareness is of a piece with her suicide at the age of twenty…

Strong connections to school and positive student–teacher relationships offer numerous social, emotional, and academic benefits for youths. Unfortunately, sexual minority youths (SMY) are at risk for disparate school connectedness and student–teacher relationship experiences compared with their peers. Using the National Longitudinal Study of Adolescent to Adult Health, this study compared t…

Reductions in cardiac infarct size can be achieved in ischaemic preconditioning, a procedure which subjects the heart to intermittent, non-lethal cycles of ischaemia and reperfusion. Similar cardioprotection can be induced upon preconditioning distal tissues such as the upper limb, and this procedure is called remote ischaemic preconditioning. Nano-sized, cell-derived vesicles known as exosomes…

In this report, we trace the historical demographic features of biology teachers, the largest disciplinary education workforce in science between 1987 and 2007, using data from the National Center for Education Statistic’s Schools and Staffing Surveys. While growing in size by more than 50% during this period, this population became increasingly inexperienced and less male dominated. Biology …

Decisionmakers need updated, scientifically sound and relevant information to implement appropriate policy measures and make innovative commitments to halt biodiversity loss and improve human well-being. Here, we present a recent science-based synthesis on the biodiversity and ecosystem services of Mexico, intended to be a tool for policymakers. We describe the methodological approach used to u…