A5052125408- Pleistocene-Era Hominins and Archaeology
- Forensic Anthropology and Bioarchaeology Studies
- Geology and Paleoclimatology Research
- Archaeology and ancient environmental studies
- Wildlife Ecology and Conservation
- Primate Behavior and Ecology
- Physical Activity and Health
- Climate change and permafrost
- Image Processing and 3D Reconstruction
- Intravenous Infusion Technology and Safety
- Cryospheric studies and observations
- Evolutionary Game Theory and Cooperation
- Child and Animal Learning Development
- Archaeological Research and Protection
- Ancient Egypt and Archaeology
- Retinal Imaging and Analysis
- Diet and metabolism studies
- Archaeology and Rock Art Studies
- Retinal Diseases and Treatments
- Animal Behavior and Reproduction
- Rangeland Management and Livestock Ecology
- Evolutionary Psychology and Human Behavior
- Oil Spill Detection and Mitigation
- Racial and Ethnic Identity Research
- Metallurgy and Cultural Artifacts
Arizona State University
2015-2024
San Jose State University
2024
University of California, Los Angeles
2020-2023
Grand Valley State University
2020-2023
Bridger Photonics (United States)
2023
Idaho State University
2022
Florida International University
2021
Seattle Children's Hospital
2021
University of Washington
2021
Institute of Contemporary Art
2019
• Eight patients with proliferative diabetic retinopathy developed extensive retinal arteriolar and capillary obstruction. Ophthalmoscopy showed many white, thread-like arterioles associated venous dilatation. Widespread nonperfusion was demonstrated by fluorescein angiography. Ischemic maculopathy resulted in severe loss of visual acuity some eyes. The degree ischemia accompanied optic disc pallor neovascularization a high incidence rubeosis iridis neovascular glaucoma. Patients this...
Time spent in moderate-to-vigorous physical activity (MVPA) is a strong predictor of cardiovascular health, yet few humans living industrialized societies meet current recommendations (150 min/week). Researchers have long suggested that human physiological requirements for aerobic exercise reflect an evolutionary shift to hunting and gathering foraging strategy, recent transition more sedentary lifestyles likely represents mismatch with our past terms activity. The goal this study explore by...
Significance Inactivity is a growing public health risk in industrialized societies, leading some to suggest that our bodies did not evolve be sedentary. Here, we show that, group of hunter-gatherers, time spent sedentary similar found populations. However, hunter-gatherers often postures like squatting lead higher levels muscle activity than chair sitting. Thus, human physiology likely evolved context included substantial inactivity, but increased during time, suggesting an inactivity...
The suite of derived human traits, including enlarged brains, elevated fertility rates, and long developmental periods life spans, imposes extraordinarily high energetic costs relative to other great apes. How do subsistence strategies accommodate our expanded energy budgets? We found that apes, hunter-gatherers farmers spend more but less time on subsistence, acquire substantially per hour, achieve similar efficiencies. These findings revise understanding evolution by indicating humans...
Understanding how gendered economic roles structure space use is critical to evolutionary models of foraging behaviour, social organization and cognition. Here, we examine hunter-gatherer spatial behaviour on a very large scale, using GPS devices worn by Hadza foragers record 2,078 person-days movement. Theory in movement ecology suggests that the density mobility targeted foods should predict strong gender differences arise context. As predicted, find men walked further per day, explored...
Studies of bone surface modifications (BSMs) such as cut marks are crucial to our understanding human and earlier hominin subsistence behavior. Over the last several decades, however, BSM identification has remained contentious, particularly in terms identifying earliest instances butchery; there been a lack consensus over how identify or differentiate made by non-human actors varying effectors. Most investigations have relied on morphology butchery their patterning. This includes marks, one...
Part of the phytolith analysis was supported by the Ministerio de Ciencia e Innovacion (HAR2010-15967 to Albert). The field survey funded by a grant from the National Geographic Society / Waitt Foundation (W160-11 to Fisher)
The Middle Stone Age (MSA) is associated with early evidence for symbolic material culture and complex technological innovations. However, one of the most visible aspects MSA technologies are unretouched triangular stone points that appear in archaeological record as 500,000 years ago Africa persist throughout MSA. How these tools were being used discarded across a changing Pleistocene landscape can provide insight into how populations prioritized foraging decisions. Creating inferential...
A warming Arctic has been associated with increases in aboveground plant biomass, specifically shrubs, and changes vegetation cover. However, the magnitude direction of NDVI have not consistent across different tundra types. Here we examine responsiveness fine-scale values to experimental at eight sites northern Alaska, United States. Warming our ranged duration from 2‑23 seasons. Dry, wet moist communities were monitored for canopy surface temperatures ambient experimentally-warmed plots...
Low‐income, first‐generation, and/or working‐class students (LIFGWC) attending selective colleges and universities must navigate class‐dominant spaces, often encountering microaggressions. In this paper, we examine how LIFGWC support themselves one another by analyzing the efforts of campus groups focused on students’ needs. We draw framework counterspaces to show provision both peer‐to‐peer social connection creation new services for students, such as career advising. refer these latter...
Photoreceptors and their supporting retinal pigment epithelium constitute the key functional parts of retina. Here, a study was undertaken to show how aging lifestyle factors affect photoreceptor layer Bruch's membrane complex (RPE-BM) in vivo healthy Danish population using spectral-domain optical coherence tomography. This cross-sectional humans aged ≥50 years. All participants were interviewed for medical history factors. Maculae all scanned The thickness RPE-BM measured on one eye from...
The Arctic is experiencing rapid climate change. This research documents changes to tundra vegetation near Atqasuk and Utqiaġvik, Alaska. At each location, 30 plots were sampled annually from 2010 2019 using a point frame. For every encounter, we recorded the height classified it into eight groupings (deciduous shrubs, evergreen forbs, graminoids, bryophytes, lichens, litter, standing dead vegetation); for vascular plants also identified species. We found an increase in plant stature cover...
Abstract Features at the Sun’s surface and atmosphere are constantly changing due to its magnetic field. The McIntosh Archive provides a long-term (45 yr) record of these features, digitized from hand-drawn synoptic maps by Patrick McIntosh. Utilizing this data, we create stack plots for coronal holes, i.e., Hovmöller-type latitude bands, all longitudes, stacked in time, allowing tracking hole movement. Using newly developed two-step method centroid calculation, which includes Fourier...
ABSTRACT Chemical characterization of cryptotephra is critical for temporally linking archaeological sites. Here, we describe investigations two Middle–Upper Paleolithic sites from north‐west Italy, Arma Veirana and Riparo Bombrini. Cryptotephra are present as small (<100 µm) rhyolitic glass shards at both sites, with geochemical signatures rare volcanoes in the Mediterranean region. Two chemically distinct shard populations (P1 P2). P1 a high silica rhyolite (>75 wt.%) low FeO (<1...
Cheetahs and other apex predators are threatened by human-wildlife conflict habitat degradation. Bush encroachment creates one of the biggest forms change, thus it is important to understand impact this has on use. We investigated preferences five male cheetahs in Namibian farmlands degraded bush encroachment. were tracked using satellite based Global System for Mobile (GSM) collars providing a higher resolution ranging behavior. aimed investigate: 1) characteristics; 2) evidence selection;...