Article on the village characteristics and health of rural Chinese older adults and an examination of the CHARLS pilot study of a rich and poor province.

Article on the identification of a new class of lipid droplet-associated proteins in plants.

Article describing the importance and value of open access to undergraduate research.

Article discussing a study that was conducted to understand the basis of a bacterial infection that is common among dairy cows.

Article discussing the bacterial composition of subgingival plaque among diabetic and non-diabetic subjects to determine the effect that diabetes mellitus has on dental health.

Article on intrinsic electrical transport properties of monolayer silicene and MoS₂ from first principles.

This article offers comment on "Density, speed of sound, refractive index and derivatives properties of the binary mixture N-Hexane + N-Heptane (or N-Octane or N-Nonane), T=288.15 - 313.15 K."

Article discussing the role of committed minorities in time of crisis.

Article on social capital and self-rated health among middle-aged and older adults in China.

Article on elemental concentrations in the seed of mutants and natural variants of Arabidopsis thaliana grown under varying soil conditions.

Article on a preliminary assessment of microbiome changes following blood-feeding and survivorship in the Amblyomma americanum nymph-to-adult transition using semiconductor sequencing.

Article on nutrient-deprivation autophagy factor-1 (NAF-1) and biochemical properties of a novel cellular target for anti-diabetic drugs.

Article on facile, scalable synthesis of edge-halogenated graphene nanoplatelets as efficient metal-free electrocatalysts for oxygen reduction reaction.

Article on nutrient-deprivation autophagy factor-1 (NAF-1) and biochemical properties of a novel cellular target for anti-diabetic drugs.

Article on the genome-wide early temporal response of Saccharomyces cerevisiae to oxidative stress induced by cumene hydroperoxide.

Article on the resequencing of Treponema pallidum ssp. pallidum strains nichols and SS14 and how the correction of sequencing errors resulted in increased separation of syphilis treponeme subclusters.

Article on an analysis of the genome of a Korean isolate of the Pieris rapae granulovirus enabled by its separation from total host genomic DNA by pulse-field electrophoresis.

Article accompanying a poster presentation for the 2013 Computational Neuroscience Annual Meeting. This article discusses the decoding of movement direction using optical imaging of motor cortex.

Article discussing index characteristics mentioned in reviews of history books appearing in Reviews in History.

This article provides comments on "Study of Molecular Interactions in Binary Mixtures of Formamide with 2-Methoxyethanol and 2-Ethoxyethanol at Varying Temperatures," published in 'Physics and Chemistry of Liquids,' 2013.

Article discussing the Simon Bucharoff collection at the University of North Texas (UNT) music library.

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Prompt Gamma Neutron Activation (PGNAA) systems require the use of a gamma-ray spectrometer to record the gamma-ray spectrum of an object under test and allow the determination of the object’s composition. Field-portable systems, such as Idaho National Laboratory’s PINS system, have used standard liquid-nitrogen-cooled high-purity germanium (HPGe) detectors to perform this function. These detectors have performed very well in the past, but the requirement of liquid-nitrogen cooling limits their use to areas where liquid nitrogen is readily available or produced on-site. Also, having a relatively large volume of liquid nitrogen close to the detector can impact some assessments, possibly leading to a false detection of explosives or other nitrogen-containing chemical. Use of a mechanically-cooled HPGe detector is therefore very attractive for PGNAA applications where nitrogen detection is critical or where liquid-nitrogen logistics are problematic. Mechanically-cooled HPGe detectors constructed from p-type germanium, such as Ortec’s trans-SPEC, have been commercially available for several years. In order to assess whether these detectors would be suitable for use in a fielded PGNAA system, Idaho National Laboratory (INL) has been performing a number of tests of the resistance of mechanically-cooled HPGe detectors to neutron damage. These detectors have been standard commercially-available p-type HPGe detectors as …

Front cover of the spring 2013 issue of The Hexagon, which features an image of a saguaro cactus and joshua trees at a location in northwest Arizona along highway US 93. The inside cover contains a table of contents, a staff list, an editorial, and details about the cover photograph.