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The energy performance of glazed office buildings with double skin facades - BESTFACADE

Many modern office buildings have highly glazed facades. Their energy efficiency and indoor climate is, however, being questioned. Therefore more and more of these buildings are being built with double skin facades, which can provide improvements: a thermal buffer zone, energy savings, wind protection with open windows, fire protection, aesthetics, solar preheating of ventilation air, sound protec

A new perspective on avian phylogeny - a study based on mitochondrial genomes

Popular Abstract in Swedish Nu levande fåglar delas traditionellt in i två grupper. Den ena gruppen är Palaeognathae och omfattar ratiter (struts, nandu etc.) och stubbstjärthöns. Den andra gruppen, Neognathae, representerar alla övriga fåglar, drygt 20 ordningar med över 9.000 arter. Grunden för denna uppdelning utgörs i första hand av morfologiska studier av fåglarnas gommar. Man har ansett att The Class Aves (birds) is generally divided into two main groups - the Palaeognathae and the Neognathae. Paleognathous birds are the flightless ratites and the tinamous, while Neognathae include all other extant birds (more than 9,000 species). This opinion has prevailed for more than a century and is primarily based on morphological studies of the avian bony palate. In this study, the relationsh