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Human conceptions of the rise and fall of civilizations

SETI, our hopes or fears of a future contact with ETI, is a modern expression of an unending human obsession with the rise and fall of civilizations. People across the globe from our earliest sources to our contemporary culture have tried to understand the beginning and end of history, the creation and the doom. Factor L of the Drake Equation could in other words be understood in a longer historic

A model for an inclusive healthcare information system

Healthcare organisations such as hospitals communicate both public and personal information to citizens. Accessible websites are suited for public information, but personal information (e.g. medical appointment notices) is still sent out by ordinary post in the form of text on a paper. Sometimes a person has to ask repeatedly for accessible information and is forced to adapt to the information sys

Bone integration of an injectable calcium phosphate based bone substitute

The bone formation and bone integration in calcium phosphate (CaP) and CaP with 20% calcium sulfate (CaS) were investigated. In the study, six adult, loop-eared rabbits were used and bone harvest chambers were implanted bilaterally in the proximal tibiae. It was found that the front of bone formation follows closely the front of material resorption without interposition of fibrous tissue. The resu