We prove that every rayless graph has an unfriendly partition.

Some engineers and scientists recently have suggested that it would be prudent to consider engaging in geoengineering to mitigate global warming. Geoengineering differs from other methods for mitigating global warming because it involves a deliberate effort to affect the climate at a global scale. Although geoengineering is not a new idea, it has taken on added significance as a result of diffi...

phamide, and Rituximab Versus FCR Alone in Subjects With Relapsed Chronic Lymphocytic Leukemia] study).8 If the results of this pivotal trial confirm the findings of Byrd et al,7 it will have an important influence on the treatment strategy of patients with CLL. In recent years, 4 drug combination therapies with FCR and alemtuzumab or FCR and mitoxantrone in refractory/relapsed CLL patients wer...

W ith this issue, we complete Volume 6 of the Journal of Community Hospital Internal Medicine Perspectives (JCHIMP). Volume 6 #6 is the 29th issue over the last 6 years, having published 366 manuscripts. The journal was initially conceived at the Association of Program Directors in Internal Medicine (APDIM) semi-annual meeting in Minneapolis during the Community Hospital Assembly in 2010. The f...

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It is a useful premise to assume that every document in a collection and every query issued to an information retrieval (IR) system is geography-dependent. If one can determine what area an article is about (i.e., its’ geographical scope), this information can be used to improve the accuracy with which people, places and organizations named in the article can be located. More importantly, geogr...

Why do some amphibian organs regenerate and others do not? And why do most mammalian organs not regenerate? New work on lens regeneration indicates that the answer lies in the need for cells to dedifferentiate first, and that what makes them dedifferentiate may be the presence of thrombin in combination with cellular clotting factors.