Are all Anæsthetics Dangerous which contain Chlorine, Bromine, or Iodine?

Are all melanomas dangerous?

The increased incidence of cutaneous malignant melanoma, together with only minor changes in mortality, has brought into question the existence of a melanoma epidemic. The discrepancy between incidence and mortality suggests that most newly diagnosed melanomas have indolent behaviour. This review summarizes the most recent epidemiological findings regarding the incidence of cutaneous malignant ...

On graphs which contain all small trees

Communicated by the Managing Editors We investigate those graphs G, with the property that any tree on N vertices occurs as subgraph of G,. In particular, we consider the problem of estimating the minimum number of edges such a graph can have. We show that this number is bounded below and above by $z log II and nl+l/log log %, respectively. A typical question in extremal graph theory1 is one wh...

On Graphs Which Contain All Sparse Graphs

Interactions of bromine, chlorine, and iodine photochemistry during ozone depletions in Barrow, Alaska

The springtime depletion of tropospheric ozone in the Arctic is known to be caused by active halogen photochemistry resulting from halogen atom precursors emitted from snow, ice, or aerosol surfaces. The role of bromine in driving ozone depletion events (ODEs) has been generally accepted, but much less is known about the role of chlorine radicals in ozone depletion chemistry. While the potentia...

Recent Advances in Chlorine, Bromine, and Iodine Solid-State NMR Spectroscopy

We survey the latest advances in quadrupolar halogen (Cl, Br, and I) solidstate nuclear magnetic resonance (SSNMR). The reporting period is from August 2008 through to July 2014; prior work has been covered in a previous review from our group (Widdifield et al. [2]). The past 6 years have witnessed a continued growth in the areas of application of chlorine, bromine, and iodine SSNMR. Such areas...