2875 research outputs found
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Internship Timeline Overview
No full textGeneral overview of the timeline for the Digital Scholarship Internship offered at Texas Tech University Library's Digital Scholarship Lab (DSL)
Optimization of polycrystalline sputtered niobium thin films
No full textData to support: Optimization of polycrystalline sputtered niobium thin films: The role of substrate and growth pressur
AI Literacy and Beyond: Helping Our Communities Develop AI Skills
No full textPresentation given for local TLA districts in Fall 2024
The influence of hunger and sex on the foraging decisions of frugivorous bats
No full textAbstract: An animal’s internal state can shift its behavior. Animals that would typically avoid dangerous foraging conditions may choose to forego safety when food is restricted. Furthermore, physiological demands such as gravidness can drive sex differences in foraging behavior among individuals of the same species. In bats, moonlight can impose risk: some bat species decrease or completely avoid foraging on full moon nights when visually oriented predators are most active. In this study, we tested the hypothesis that hunger increases risky foraging behavior. Previous work with the Jamaican fruit bat, Artibeus jamaicensis, demonstrated that this species shifts its foraging behavior in moonlight by increasing latency to land. In this experiment, bats trained to feed from a food platform were then observed landing in conditions of satiation and food-restriction, with and without the presence of artificial full moonlight. As predicted, we found that bats forage significantly more quickly when food-restricted than when satiated. We found that bats showed a non-significant trend to avoid moonlight via increased latencies to land on the food platform. Males–but not females–were significantly slower to land in the presence of moonlight when satiated but not when food-restricted. Our results demonstrate that internal state influences foraging decisions, with individuals landing faster when hungry than when satiated, but that the increased foraging risks associated with moonlight affect male bats more than females
Data for Rheological controls on creping landslides within the Franciscan mélange: Insights from laboratory experiments
No full textExperimental data for 'Rheological controls on creping landslides within the Franciscan mélange: Insights from laboratory experiments
Informe de la expedición de Juan Bautista de Anza a lo largo del río Colorado y de los encuentros con varios grupos indígenas, 1776 marzo 20
No full textCarta que transmite los informes del fray Francisco Garcés sobre su recorrido a lo largo del río Colorado durante la segunda expedición terrestre de Juan Bautista de Anza. Garcés describió encuentros con varios grupos indígenas, entre ellos los cajuenches, jallicuamais, quiquemar, cucapás, jumas, pimas y comaricopas. Señaló los conflictos persistentes entre los cucapás y los jumas, pero destacó que en general se había restablecido la paz entre los grupos. Garcés subraya el potencial de la región para la agricultura y la cría de ganado, señalando la receptividad de los indígenas hacia los españoles y los misioneros. —— Letter relaying reports from Fray Francisco Garcés about his journey along the Colorado River during Juan Bautista de Anza’s second overland expedition. Garcés described encounters with several Indigenous groups, including the Cajuenches, Jallicuamais, Quiquemar, Cucapás, Jumas, Pimas, and Comaricopas. He noted ongoing conflicts between the Cucapás and Jumas but emphasized that overall peace had been restored among the groups. Garcés stresses the potential for farming and cattle raising in the region, indicating Indigenous receptiveness toward Spaniards and missionaries. 1 f. (2 p.
Data and Syntax for Expressive Suppression Strengthens Coherence Between Arousal Intensity and Arousal Interpretation
No full textDataset and syntax for study manuscript titled, "Expressive Suppression Strengthens Coherence Between Arousal Intensity and Arousal Interpretation
Diamond resorption in non-igneous settings evidenced by AFM of fine surface textures coincident with radiation stains.
No full textRoy Bassoo, Taryn Linzmeyer, Mike Breeding, Bernd Zechmann, Sally Eaton-Magaña,
Diamond resorption in non-igneous settings evidenced by AFM of fine surface textures coincident with radiation stains, Lithos, Volumes 518–519, 2025, 108315, ISSN 0024-4937, DOI: https://doi.org/10.1016/j.lithos.2025.108315.
(https://www.sciencedirect.com/science/article/pii/S0024493725003743)
Abstract: Rarely documented fine negative surface topography coincident with “radiation stains” on 16 diamonds are investigated by atomic force microscopy (AFM) to assess surface feature morphology and infer formation conditions. These features are inferred to derive from post-irradiation resorption by oxidizing pore fluids at relatively low temperatures when residing in sedimentary rocks. We document the presence of circular, rounded, acicular, bladed, cubic, prismatic, and tabular surface features exclusively coincident with radiation stains. Surface areas are ≤300 μm2 and 17 ± 43 μm2 on average. Acicular features have the highest mean length-width ratio of 8 ± 4. Bladed, prismatic, and circular to rounded features have mean length-width ratios of 3 ± 1, 2 ± 2, and ∼ 1 respectively. These features penetrate into the diamond with depths of 4 to <240 nm and most have solely flat-bottomed morphologies. Circular features have the highest mean depths of 115 ± 71 nm. Bladed, acicular, prismatic, cubic, rounded features have mean depths of 54 ± 36 nm, 32 ± 21 nm, 33 ± 22 nm, 23 ± 5 nm, and 22 ± 15 nm respectively. Raman transects across radiation stains hosting these features have higher 1332 cm−1 full width at half maximum (FWHM) values than in colorless zones on the same diamond indicating the presence of tetragonal to tetrahedral amorphous carbon. During residence in ancient conglomerates, diamonds could be subjected to irradiation by nearby radioactive minerals which transforms irradiated sites to amorphous carbon. We suggest when amorphous carbon is exposed to oxidizing pore fluids it preferentially dissolves and leaves behind a resorption pit coincident with radiation stains. Our study suggests diamonds can be resorbed in non-igneous settings and likely during residence in ancient sedimentary rocks.
Keywords: Diamonds; Green diamonds; Radiation stains; Morphology; Conglomerates; Resorptio
TAMOC SWING Simulations
No full textSimulations using the Texas A&M Oil spill / outfall Calculator (TAMOC) to predict the near field and far field fate and transport of natural gas injected into seawater at various depths as a mitigation of natural gas flaring