The ozone molecule contains three atoms of oxygen and is mainly formed by the action of the ultraviolet rays of the sun on the diatomic oxygen molecules in the upper part of the Earth's atmosphere (called the stratosphere). Atmospheric pollution near the Earth's surface can form localized areas of ozone. The stratospheric ozone layer protects life on Earth by absorbing most of the harmful ultra...

" Biodiversity is a non-detachable part of the concept of sustainability. ... biodiversity is essential for agricultural production, as agriculture should be for biodiversity conservation. " Brazilian Government proposal to SBSTTA of the CBD, Second Meeting Montreal 2–6 September 1996 Although the context of this paper is a " World Biodiversity Update, " any attempt at such would be presumptuou...

Semantic heterogeneity is a common problem when trying to unify information from disparate data systems. In order to overcome these heterogeneities it is generally understood that no one system or convention is the best, rather that mechanisms need to be implemented in which researchers can both agree on terms or keywords used and also the establishment of a keyword structure so their relations...

The Cartagena Protocol on Biosafety to the Convention on Biological Diversity regulates international trade in Living Modified Organisms (LMOs). As the Protocol concerns trade in commodities, e.g. genetically modified seeds and vegetables, it concerns a trade which is of major importance to the world’s economy. The relationship between the Protocol and the World Trade Organization (WTO) is ther...

Cytomegalovirus Infection Dorothée Leduc, MD, FRCPC; Céline Rousseau, MD; Brigitte Malette, PhD; Bruce Tapiero, MD; Valérie Lamarre, MD; Fatima Kakkar, MD, MPH; Infectious Diseases, CHU Sainte-Justine, Université de Montréal, Montreal, QC, Canada; Department of Microbiology and Immunology, CHU Sainte-Justine – University of Montreal, Montreal, QC, Canada; Molecular Virology and Serology, CHU Sa...

1Research Centre, Centre for Health and Social Services Bordeaux-Cartierville-Saint-Laurent, university-affiliated center, 11822 Avenue du Bois-deBoulogne, Montreal (Quebec) H3M 2X6, Canada 2Department of Social and Preventive Medicine, Faculty of Medicine, University of Montreal, PO Box 6128, Station Centre-Ville, Montreal (Quebec) H3C 3J7, Canada 3Research Centre, University Institute of Geri...

1 Department of Neurology and Neurosurgery, The Montreal Neurological Institute and Hospital, McGill University Health Centre, McGill University, Montreal, QC, Canada 2 Neuroimmunology Unit, Montreal Neurological Institute and Hospital, McGill University Health Centre, McGill University, Montreal, QC, Canada 3 Program in NeuroEngineering, McGill University, Montreal, QC, Canada *Correspondence:...