This article and slide show from the New York Times, features several …
This article and slide show from the New York Times, features several scientists from the University of Alaska, Fairbanks, who study the effects of thawing permafrost in Alaska.
This resource is a video abstract of a research paper created by …
This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:
"Mosquito-borne illness kills more than 700,000 people per year. Often these pathogens reside in the mosquito gut, where they may be impacted by their diet and gut microbiome. But there are gaps in the research into these impacts. Specifically, most studies into mosquito sugar metabolism focused on blood diets, but only female mosquitos drink blood, while both sexes eat plant sugars like nectar and sap. Similarly, most mosquito microbiome research focused on bacteria, largely missing the potential role of gut fungi, or the mycobiome. To narrow these gaps, researchers examined fructose metabolism in Asian tiger mosquitoes using 13C-metabolomics and stable isotope probing. While female and male mosquitos had distinct metabolic pathways, the active fungal groups in both sexes after fructose ingestion had a mix of competitive and synergistic interactions. There was also evidence of cross-feeding interactions, where one microbial species produces metabolites that other microbes use..."
The rest of the transcript, along with a link to the research itself, is available on the resource itself.
Assemble a regional geologic history by compiling observations made a several sites. …
Assemble a regional geologic history by compiling observations made a several sites.
(Note: this resource was added to OER Commons as part of a batch upload of over 2,200 records. If you notice an issue with the quality of the metadata, please let us know by using the 'report' button and we will flag it for consideration.)
This resource is a video abstract of a research paper created by …
This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:
"Microbial metagenomes are like a blueprint of all the functions performed by a microbial community. Some microbes can't be grown in the lab, so metagenomics is important for investigating otherwise-unknown microbial "dark matter". Short-read sequencing provides large amounts of data, but it's hard to assemble into complete genomes. A recent study combined short-read data with nanopore long-read data using Iterative Hybrid Assembly (IHA). The researchers reconstructed 49 metagenome-assembled genomes (MAGs), including some with very low coverage. In total, 34 MAGs did not belong to any known genus, representing unknown microbe groups. The IHA method revealed more of the genes present than a short-read-only approach and showed that the anammox genome of genus Ca. Brocadia contains two identical hydrazine synthase genes. The current method is best for enriched microbial communities and will be extended to high-complexity samples in the future..."
The rest of the transcript, along with a link to the research itself, is available on the resource itself.
This activity has students determine the angle of subduction using GeoMapApp. Students …
This activity has students determine the angle of subduction using GeoMapApp. Students use datasets available within GeoMapApp to examine the influence of the age of oceanic lithosphere and convergence rate on the angle of subduction. These datasets include: earthquakes (depth, magnitude, etc), subduction interface (based on earthquake data), convergence rate, and age of oceanic lithosphere.
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Students will read primary scientific literature, work collaboratively, think critically, and utilize …
Students will read primary scientific literature, work collaboratively, think critically, and utilize GIS as a tool to visualize and quantify spatial and temporal changes in hydrological systems.
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An exercise assessing the water demand of New York City and population …
An exercise assessing the water demand of New York City and population dynamics underlying that demand is provided. Visualization of first order water resource estimates using precipitation data and a known water storage volume are used to draw conclusions about drought risk and the sustainability of NYC water supplies.
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This module introduces students who are already familiar with GIS to doing …
This module introduces students who are already familiar with GIS to doing comparative analyses with large-scale community science (often called citizen science) data sets. Students will explore how we can use community science data to examine the spread and distribution of invasive species in different geographic locations. In the final step, students will identify different invasive species and determine if community science data accurately maps the threat these species pose.
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Instruction on use of Fisher statistics to determine the mean and 95% …
Instruction on use of Fisher statistics to determine the mean and 95% confidence interval of geological vectors, lines or planes, with examples, problems and an Excel spreadsheet for computation.
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In this homework assignment students are asked to consider the balance of …
In this homework assignment students are asked to consider the balance of forces on a hill slope using the Factor of Safety.
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This project helps familiarize students with data commonly available from well drillers, …
This project helps familiarize students with data commonly available from well drillers, the Department of Natural Resources and Conservation, and the Montana Bureau of Mines and Geology. Such data is often used to produce consulting reports. In this exercise, students practice working with available data and writing a consulting report while working on a real project of local interest. The question involves the probability of success in drilling a large well for a new county park. Students are given various maps and are guided through the use of a statewide database that contains well logs and well data. The outcome is a written report that describes the location and general geology of the site, uses the available data to summarize the types of materials that a driller might encounter, answers the questions that the client is interested in, and identifies problems or advantages presented by the groundwater system as indicated by available data.
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Given that humans historically have heavily used rivers and the lands along …
Given that humans historically have heavily used rivers and the lands along them for agriculture, transportation and other activities, how does human impact currently affect riparian ecosystems in a rural region? Students will address this question through several activities.
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The project is designed to allow students the opportunity to apply the …
The project is designed to allow students the opportunity to apply the knowledge and skills learned during the 'Active Tectonics and Remote Sensing' course. Over the first half of the course, students learn about remote sensing approaches, digital topography, seismicity patterns and geodesy, plus how these can capture various features of the tectonics of an active area. In the project, which runs during the second half of the course, students are asked to bring all available data (available online or in the literature) to bear on a selected continental area, to identify evidence for the tectonic activity that occurs there. Students are asked to highlight this evidence in a Google Earth dataset, which could include image overlays, annotations and markers, to indicate particular features of interest. Examples of highlighted features could include geomorphic features such as deflected or offset drainages, faceted mountain fronts or incised canyons, or linear trends seen in topography, seismicity or vegetation abundance.
The project is assessed via a written report and class presentation, which must refer to the Google Earth dataset. Students are instructed to choose an area located somewhere other than California, to broaden their horizons/address an otherwise California-centric world view.
Keywords: Google Earth, geomorphology, active tectonics
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First assignment of the course (Note: this resource was added to OER …
First assignment of the course
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This resource is a video abstract of a research paper created by …
This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:
"SARS-CoV-2 is the notorious virus responsible for the COVID-19 pandemic. Like other viruses, it coexists with a multitude of other microorganisms that could influence our susceptibility to infection. Thus, identifying associations between bacteria and SARS-CoV-2 could lend critical insight for the development of strategies for COVID-19 prevention and treatment. To meet this need, researchers recently characterized the microbial communities associated with COVID-19 patients, health care providers, and indoor surfaces in the hospital environment using 16S rRNA sequencing. They found SARS-CoV-2 RNA on 16% of the surfaces in COVID-19 patient rooms, with the highest prevalence in floor samples and lower prevalence on bed rails. SARS-CoV-2-positive samples had higher bacterial diversity than SARS-CoV-2-negative samples. Interestingly, bacteria in the genus Rothia were commonly found in the samples containing SARS-CoV-2, suggesting the existence of an association between these microorganisms..."
The rest of the transcript, along with a link to the research itself, is available on the resource itself.
This resource is a video abstract of a research paper created by …
This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:
"In the human gut, a subpopulation of the microbiome belonging to Archaea produces methane through fermentation. Increased methane production is associated with gastrointestinal discomfort and disorders, and 20% of the healthy Western population exhales high methane levels, indicating high gut methane production. However, the mechanisms and health effects are unclear. To learn more, a recent study analysed 100 healthy young adults who were divided into high methane emitters and low methane emitters according to breath analysis. 16S rRNA sequencing revealed that the microbiomes of high and low emitters had different diversity levels and different compositions. Notably, the relative abundance of the archaeon Methanobrevibacter smithii was 1000-fold higher in high emitters than in low emitters, and M. smithii in the high emitters co-occurred with dietary fiber-degrading bacteria, including Ruminococcaceae and Christensenellaceae..."
The rest of the transcript, along with a link to the research itself, is available on the resource itself.
This module is adapted from the original Department of Health module, which you …
This module is adapted from the original Department of Health module, which you can find here.We were inspired by the original and heartened at the opportunity to integrate across content areas.Our iteration includes direct connections with secondary ELA and showcases content integration across science and social studies with a strong social justice component. Furthermore, our adaptation highlights Washington state policy that addresses wildfire awareness, prevention, and preventive measures.Please note the work of the Department of Health Epidemiologists in using data science to understand medical trends and the opportunity to plan health interventions. This is a strong career connection for our students.
Esse material é resultado de pesquisa realizada durante o curso de Mestrado …
Esse material é resultado de pesquisa realizada durante o curso de Mestrado no Programa de Pós-Graduação em Rede Nacional para o Ensino das Ciências Ambientais na Universidade Federal de Sergipe. O Atlas Socioambiental foi elaborado com 35 alunos e vários professores do Colégio Estadual Professor Joaquim Vieira Sobral, localizado no bairro Jabotiana em Aracaju.
Atmospheric methyl chloroform concentration is modeled as an extension of the generic …
Atmospheric methyl chloroform concentration is modeled as an extension of the generic water tank structure. Simulated and observed concentrations are used to estimate the global atmospheric lifetime of methyl chloroform and its 1989 to 2009 emission history.
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