Researchers studied how microbes control chemistry on mineral surfaces and found that bacteria produce surface coatings made of iron sulfate and goethite. The results show a fundamental difference between individual organisms and groups in controlling the process.
Researchers at Max Planck Institute and Leibniz Institute have identified key metal homeostasis proteins in a hyperaccumulator plant species, paving the way for cost-effective cleanup technologies. These proteins play a crucial role in detoxifying metals in roots and shoots, allowing plants to accumulate heavy metals in their leaves wh...
Research reveals strong interactions between four trophic levels, showing soil fungi impact plant growth and alter attack rates of insect pests. This finding highlights the interconnectedness of species in natural communities, with implications for conservation and pest control.
The MIT team uses data mining to search for patterns in a large dataset, reducing the number of structures the computer needs to explore. This allows for more efficient discovery of new materials with desired properties.
The project aims to create new information processing technologies for extracting detailed understanding of biological processes from images depicting biological molecules within cells or tissues. The researchers will establish a digital library for bio-molecular images, facilitating image bioinformatics and large-scale biology.
A new grant from NSF's ITR Program will support the development of an integrated system, AMADEUS, which uses IT for real-time data gathering and computational modeling. This can lead to safer, more efficient, and economical underground construction methods.
Contaminated water from abandoned mines in Colorado's Summit County is affecting artificial snowmaking and tourism, impacting $9 billion industry. Heavy metals are detected in headwater drainages, posing a risk to aquatic life and other sports.
Contaminated water from abandoned mines poses a threat to Colorado's nine billion-dollar tourism industry, particularly in ski areas like Keystone and Arapahoe Basin. The use of artificially created snow due to droughts and climate change exacerbates the issue, highlighting the need for alternative methods to mitigate acid-rock drainage.
A global analysis reveals that 44% of the Earth's land surface consists of 24 wilderness areas, but they are occupied by only 3% of the world's population. These high-biodiversity wilderness areas face significant threats from human activities, and conservation efforts are necessary to protect them.
NYU scientists have developed a new mathematical method to analyze genetic data, reducing noise and errors in gene expression microarrays. The algorithm corrects for various types of errors and is expected to be widely incorporated in gene-related cancer research.
UT Southwestern researchers have defined sites in human genes most prone to mutation, which could lead to discovery of genetic bases of many human diseases. The study identified distinctive DNA sequence patterns and rules for predicting mutations.
Researchers analyzed interviews with WW2 Polish Resistance veterans to identify key motivations behind recruitment, including patriotism, xenophobia, and moral constraint. The study found that these emotions were rooted in a migrants' moral system and family life, rather than solely driven by ideology.
Dr. Zhang's research focuses on improving indexing, retrieval, and use of images based on algorithms that rely on the semantics of the images themselves. His recent invention disclosure reveals a novel fuzzy logic-based indexing scheme and user relevance feedback algorithm for content-based image retrieval.
The Management of Knowledge-Intensive Dynamic Systems (MKIDS) program supports research on how information technologies can streamline processes for organizations responding to rapidly changing situations. Researchers are developing tools to design optimal organizational structures, predict failure points, and monitor organizational pe...
The Succulent Karoo, a biodiversity hotspot with high plant diversity and unique species, is receiving $8 million in grants to combat declining biodiversity. The initiative aims to empower local communities and organizations to take action in conservation efforts.
Fossil teeth from Egypt's Fayum desert have provided evidence of the earliest known ancestors of bushbabies and lorises, dating back to the Eocene epoch. The finds confirm earlier genetic studies suggesting that these primates diverged much earlier than previously thought.
Researchers discovered pulsar bursts coming from beachball-sized structures in the Crab Nebula, a cloud of debris from a supernova. The structure's small size is inconsistent with all but one proposed theory for generating radio emission.
A new method, KL clustering, has been identified as more effective than hierarchical clustering in separating gene expression data into dense clusters. The approach uses a novel measure of similarity to create well-separated clusters, offering insights into gene-gene interactions and biological processes.
Gerald R. Smith pinpointed three North American regions at greatest risk for freshwater fish diversity: southern Appalachian, Klamath River Basin, and Caribbean coastal drainages of eastern Mexico. Habitat destruction due to water diversion, agriculture, and mining threatens these areas' unique species.
A computer scientist has developed a method to find dominant topics in discussions by scanning large collections of documents for rapid word bursts. This technique could have applications in searching the Web, studying trends in society, and even screening e-mail chatter.
University of Alberta researchers are working on a project to remotely scan and analyze core samples, allowing geologists to determine the type and quality of rock without physically inspecting them. This technology has the potential to improve mine safety, accuracy, and production by reducing the need for human intervention.
A recent study discovered a distantly similar gene called ros in puffer fish, suggesting that Agrobacterium may have originated from a marine source. The discovery was made by investigating the evolutionary origin of genes associated with bacterial virulence and found homologs of the ros gene in both marine microorganisms and sea squirts.
The American Psychological Association and FBI report highlights the importance of social science techniques in combating terrorism. Three key strategies emerge: information exchange using data mining and decision tree techniques, relationship-building with key communities, and effective interrogation/interviews.
Howie Choset's snakebot technology can navigate through three-dimensional terrains with enhanced flexibility and 'reach' ability. The robot's hyper-redundant mechanisms enable it to thread through tightly packed spaces without disturbing the surrounding areas.
A preliminary study of the Paleobiology Database reveals that fragile fossils occur as frequently as durable ones, contradicting the expectation that tough skeletons would be more common. This finding suggests that the fossil record may be a more reliable source of information than previously thought.
David Bottjer discovered that messier sediments held more advanced animal remains, suggesting churned conditions led to environmental pressure and evolutionary changes. This finding supports the idea that 'sod busters' accelerated the Cambrian explosion of new life forms by forcing earlier animals to adapt to harsh environments.
Researchers found that the Chicxulub crater in Mexico had about 18,000 cubic kilometers of impact melt, while the Sudbury crater in Canada had approximately 31,000 cubic kilometers. The significant difference in melt volume could be explained by an asteroid striking Chicxulub and a comet impacting Sudbury.
A geologist's study suggests that melting ocean crust under volcanoes can create rich mineral deposits, such as gold and copper. The research provides new insights into the formation of these deposits, which could help identify regions with high potential for mining.
Scientists use microgravity to study soil behavior and simulate earthquake effects, aiming to improve foundation design and mitigate soil liquefaction. The experiment will analyze the strength and stiffness of sand under different conditions, shedding light on the physics behind soil movement.
The study reveals how aluminum floc forms in polluted streams, binding to toxic metals and transporting them downstream, harming fish and other aquatic animals. Understanding the molecular pathways of this process may lead to practical solutions to prevent the reactions.
Researchers at Rensselaer Polytechnic Institute have developed a new approach to decoding the protein language by creating a 3-D image of each known protein and reducing it to a simpler 2-D representation, called a contact map. The data from the contact map is used to predict unknown proteins and novel protein formation.
The U.S. Civilian Research and Development Foundation has awarded four Russian universities with $1 million each over three years to improve their basic science education. The BRHE program aims to strengthen the training of young scientists by enhancing research capabilities in natural sciences.
Scientists warn of significant global impacts from glacier decline, with effects on agriculture, water supplies, and ecosystems. Glacier melting may lead to both serious problems and short-term increases in water availability.
Middlecamp has designed programs to increase representation in sciences for women and students of color over the past 20 years. She directs a tutoring center and teaches a course applying chemistry to society, exploring real-world issues.
The LaserNet Fines instrument uses algorithms based on neural networking to analyze particulate matter, making accurate predictions with 97% accuracy. This technology has immense potential for improving the Navy's safety and readiness while reducing costs in multiple industries, including railroad, trucking, and construction.
The Office of Naval Research has awarded $8.4M to 10 young investigators for their basic research in various science and engineering fields, including ocean circulation models, heat conduction, brain-inspired computing, microbial adhesion, mobile wireless networks, damage tolerance, weather predictions, and neuromorphic engineering.
Gretchen Daily proposes assigning economic value to ecosystems and incorporating those values into public policy. She argues that making conservation profitable is crucial for saving the planet from natural resource depletion.
Erik Westman aims to reduce fatalities, lower construction costs, and improve environmental protection through a practical method for predicting failures in rock masses. He's adapting tomographic imaging technology for field use, enabling engineers to monitor stress redistribution in rock masses.
Rutgers researchers Shinbrot and Glasser have made a breakthrough in understanding shear activity, which can affect pharmaceutical tablet production and landslide behavior. The discovery has wide-ranging implications for industries such as food manufacturing and mining.
A research team led by William Laurance found that Amazonian forest destruction rates have risen sharply since 1995, contrary to the Brazilian government's claims. Deforestation has increased due to infrastructure projects and expanding logging and mining industries.
The study, led by UC Berkeley professor James Kirchner, found that the diversification of life obeys 'speed limits' set by evolutionary processes. Biodiversity takes time to recover after an extinction due to complex ecological niche building and evolution.
A study suggests that a massive release of frozen methane from ocean sediments may have warmed the prehistoric Earth around 55 million years ago. The researchers propose that similar scenarios could occur in the future if oceans warm substantially, highlighting the importance of considering multiple greenhouse gases beyond carbon dioxide.
The StarLight network provides high-speed connectivity for researchers worldwide, enabling real-time collaboration on complex projects. With speeds of up to 10 gigabits per second, StarLight supports cutting-edge applications such as virtual reality presentations and data mining.
Arjun Heimsath, a Dartmouth College researcher, measures dynamic land movement by calculating erosion rates in different parts of the world. Using cosmic isotopes extracted from rock and sediment samples, he determines how long material has been there and how fast it's eroding or breaking down.
Researchers at Ohio State University have identified potential metal deposits in Saudi Arabia's western Shield area using GIS software. The analysis of over 2,100 known occurrences of gold, silver, copper, and other metals revealed large quantities of lower-grade metal, ideal for open-pit mining.
Hochella will analyze samples from acid-mine drainage sites in Germany and the US using advanced equipment to develop better models of metal transport. This work aims to improve understanding of toxic-metal-bearing phases and their distribution in drainage systems.
The Biomedical Informatics Research Network (BIRN) will share digital magnetic resonance images and advanced 3-D microscope images using high-bandwidth networking technologies. Researchers can study linkages between animal models of human diseases and data from patients suffering with these diseases.
Small-scale human disturbances, such as heavy vehicle use and recreation, are reducing species diversity in Arctic ecosystems. The study found that these disturbances can cause lasting changes, including melting permafrost and decreased plant biodiversity.
Researchers have found a fern that can soak up deadly arsenic from soil with staggering efficiency. The brake fern, Pteris vittata, accumulates high levels of arsenic, making it a promising candidate for cleaning up contaminated soils. This discovery has great potential for remediating toxic waste sites around the world.
A new study predicts that Brazil's planned road network will lead to widespread devastation of the Amazon rainforest, releasing more greenhouse gases and increasing forest fires. The researchers' models suggest that up to 1 million acres of rainforest could be lost annually.
A new study reveals that well-intentioned conservation programs in the Amazon are insufficient to offset the destruction from agriculture, timber, and mining. The researchers project devastating impacts on biodiversity, climate change, and global warming if current trends continue.
A team of scientists discovered bacteria that can clean up contaminated water by stripping away impurities and re-packaging them into zinc sulfide crystals. These microorganisms, found in the Desulfobacteriaceae family, have the potential to improve the efficiency of mining waste removal.
Researchers found natural biofilms that concentrate zinc sulfide, which could aid in treating acid mine drainage. The discovery sheds light on the biology of metal ore formation and offers potential solutions for contaminated mining sites.
The US Department of Energy has awarded Amalgamated Research, Inc. $1.9 million to improve biomass refinery efficiency and reduce capital equipment costs in Idaho. The project aims to develop a new biomass refining system for purifying and separating biomass subcomponents, enabling the production of fuels and chemicals.
The Arid Zone Recovery Project successfully re-introduced Greater Bilbies to a 14 square kilometre exclosure, with estimates suggesting around 20 bilbies now living in the site. The project also reintroduced other species, such as Burrowing Bettongs and birds like the Bush Thick-knee and Plains Wanderer.
Researchers at ZymoGenetics have identified a novel Interleukin, IL-21, and its receptor, which play a crucial role in regulating the immune system. The discovery was made using an integrated genomics approach and has shown promising results in promoting the activation of immune cells.
Thomas A. Steven, a retired USGS research field geologist, received the 7th Annual Dibblee Medal for his outstanding contributions to field geology and geologic mapping. He was recognized for his work on complex volcanic structures, genesis of ore deposits, and landscape evolution.
Cranfield University is launching an eight-week management program for local land mine action managers, supported by the United Nations Development Programme and UK Government funding. The course aims to improve existing resource utilization in mine clearance management, helping to reduce the impact of land mines on affected countries.
A Virginia Tech researcher's work has influenced reclamation policy, guidelines, and regulations in four Appalachian states. The study quantified the diversity, productivity, commercial value, and carbon-capture potential of 21 mined and reforested sites across a seven-state region.
The book analyzes the accumulative effects of industrial development over 40 years, showing changes in pollution patterns and potential risks to agricultural food production. Historical studies of heavy metal pollution are used to illustrate how spatial patterns have changed over time.