We report new high-precision laser fluorination three-isotope oxygen data for lunar materials. Terrestrial silicates with a range of δO values (−0.5 to 22.9‰) were analyzed to independently determine the slope of the terrestrial fractionation line (TFL; λ=0.5259±0.0008; 95% confidence level). This new TFL determination allows direct comparison of lunar oxygen isotope systematics with those of E...

Recent observations of the spectral reflectivity and emissivity of the five prime Apollo landing sites are evaluated in the context of similar observations of other localities on the moon and of data returned from unmanned lunar probes. We conclude that those five sites differ significantly only in minor constituents and/or relative valence states and that those differenees are more modest than...

Introduction: Radar maps of the lunar nearside at 70-cm wavelength currently have a spatial resolution of 3-5 km, and have been used to identify differences in regolith physical and chemical properties [e.g., 1-3]. Data at such long wavelengths are of particular interest due to their penetration depth of 5-10 m in even lossy lunar materials. Using the Arecibo Observatory 430 MHz radar system, w...

Median thinkers are able to consider things from different perspectives and integrate information efficiently for situationally appropriate decisions. Previous research has found that high median thinkers tend to adopt a global and flexible processing strategy compared to low median thinkers, but less is known about how one’s processing capacity is related to his/her median thinking style. Proc...

Blood vessels serve as key regulators of organogenesis by providing oxygen, nutrients and molecular signals. During limb development, programmed cell death (PCD) contributes to separation of the digits. Interestingly, prior to the onset of PCD, the autopod vasculature undergoes extensive patterning that results in high interdigital vascularity. Here, we show that in mice, the limb vasculature p...

Introduction: Major ambiguities remain in our current understanding of the geochemical evolution of the moon. That situation arises partly because (a) our geochemical and isotopic data sets for mare basalts are overly influenced by samples from the Procellarum KREEP Terrain (PKT [1]), and (b) samples of the highland crust useful for isotopic studies are limited in both quantity and quality. Fut...