Within the qualitative spatial reasoning community it has been a widely accepted commonplace that reasoning in qualitative constraint calculi outperforms reasoning in other more general and expressive formalisms. To check the correctness of this assumption we conducted some empirical case studies in which we compared the performance of a qualitative constraint solver with different automated re...

Over the past few years, increasing public and political pressure has supported legalization of medical marijuana. One of the main thrusts in this effort has related to the treatment of refractory epilepsy-especially in children with Dravet syndrome-using cannabidiol (CBD). Despite initiatives in numerous states to at least legalize possession of CBD oil for treating epilepsy, little published ...

The work by the French chemist Antoine Lavoisier in the late eigh­ teenth century on the law of conser­ vation of matter and the oxygen theory of combustion helped to ignite a ‘chemical revolution’ that shifted the field of chemis­ try from observational studies to synthesis applications. The improved understanding of chemical reactions and the increasing ability of chemists to synthesize compo...

The concepts underlying the PROMISE initiative are described. This initiative to implement more humane healthcare is now developing from a local initiativein Cambridge to a global movement.