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A soil section by Stóra Viðarvatn in northeastern Iceland, records environmental and climate changes during the Holocene (11.7 ka). The soil section contains several tephra layers that were studied to reconstruct an age model for the soil section. The tephra layers were traced back to their sourc... (1,230 characters more)

Objective: This study seeks to examine if the presence of mitral annular calcification (MAC) impacts major outcomes, hospital length of stay and survival following a non-mitral valve cardiac surgery. Methods: A single-center retrospective study including 728 patients who underwent surgical aor... (1,864 characters more)

Stríðshjálpin 1681 var skattur sem krafist var af Íslendingum vegna útgjalda Dana í Skánarstríðinu, sem þeir háðu við Svía. Hér er fjallað um stríðshjálparskattinn frá mörgum sjónarhornum, greinargerð um fyrri rannsóknir á honum er gerð, saga stríðshjálparinnar er rakin, hvernig hún kom til, hve... (1,088 characters more)

This master‘s thesis is based on action research conducted in one of three buildings of the preschool Leikborg. The focus is on answering research questions about the participation of 4-5-year-old children in mealtimes in preschool. The preschool has been working according to Mihaly Csikszentmiha... (1,644 characters more)

The goal of this research paper is to illuminate on how a teacher´s view on democratic teaching methods impacts his or her practice when organizing and implementing group sessions in a preschool setting. At the same time, I observed and contemplated my own working theory using the methodology of ... (1,810 characters more)