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Anaerobic digestion is a microbially mediated process occurring in nature in the absence of oxygen and other non-carbonaceous electron acceptors. The majority of the carbon of the organic matter degraded in the process is transformed into carbon dioxide and methane. Most of the energy potential of the degraded material is conserved in the methane, thus providing a renewable energy carrier, which c
Partial migration is often considered a transitory stage between migration and residency, and whether partial migrants take weather conditions into account during migration is largely unknown. To assess whether partial migrants differ from regular migrants in their responses to weather, we compared the migratory intensity of a partial migrant, the Blue Tit (Cyanistes caeruleus), with more regular
En ny europeisk studie granskar hur allmänheten i sex länder ser på organtransplantationer och postnatala genetiska test. Det rör sig om Cypern, Österrike, Tyskland, Frankrike och Sverige. I undersökningen framkommer att de tillfrågade personernas funderingar följer två övergripande spår: Här finns å ena sidan tankar om den medicinska utvecklingens potential, å andra sidan reflektioner rörande desRecent developments in the field of biomedicine do not only constitute a challenge for the health care systems of modern societies. They also have a profound impact on the core concepts of individual and collective life. The corresponding changes of individual and collective identities take place within the framework of different historically shaped national conditions and traditions. This leads t
The foggy sky above a white ice-cover and a dark water surface (permanent polynya or temporary lead) is white and dark gray, phenomena called the "ice-sky" and the "water-sky," respectively. Captains of icebreaker ships used to search for not-directly-visible open waters remotely on the basis of the water sky. Animals depending on open waters in the Arctic region may also detect not-directly-visib
Background: Iceland's geographical isolation with a stable and small population gives a rare opportunity for follow-up studies of medical interventions. Total hip replacements (THR) have been done at FSA Central Hospital in Akureyri, Iceland since 1982 with the Exeter hip implant being in use from the beginning. Methods: Hospital records for all patients operated on with THR between 1982 and the e
This paper reports a pilot study and three case studies to examine aimed at studying if a quality system, according to the ISO 9000 quality standard, can be visualised, exploring how the visualisation should be designed in order to support continuous improvements and evaluating the design process for development of prototypes. By discussing with the research team, three companies in southern Swede
