Researchers at UVA have created a new imaging method that combines the advantages of MRI and gamma-ray imaging, enabling high-resolution medical diagnostics with minimal tracer material. The technique uses radioactive xenon isotopes to produce images with increased sensitivity and diagnostic power.
Scientists developed a method to measure the oxygen coefficient of uranium in complex oxides using X-ray photoelectron spectroscopy. The new technique provides accurate information on uranium oxidation state, essential for creating nuclear reactor fuel, waste disposal templates, and environmental rehabilitation technologies.
Researchers at the University of Missouri have developed a new formula to help reduce food waste in all-you-care-to-eat facilities. By accounting for environmental costs such as fuel and fertilizers, the formula can help minimize waste and lower the environmental impact.
Researchers measured gamma radiation emitted by common household items in a North Carolina home, revealing surprising levels of radiation from everyday objects. The study aims to help people understand news stories about radiation and prevent panic by placing radiation readings into perspective.
Researchers at RIT will study innovative technologies and policies to minimize and manage food waste across the supply chain. The goal is to create efficient use of energy and water resources while addressing social, economic, and environmental impacts.
Researchers will use geoneutrino detectors to measure the amount of nuclear energy inside Earth. By 2025, they expect to collect enough data to determine the planet's remaining fuel levels.
Climate change is threatening to expose the hazardous waste from an abandoned US military base in Greenland's ice sheet, posing a significant environmental hazard. The site contains toxic pollutants and radioactive waste that could disrupt marine ecosystems if the ice melts.
A US military base in Greenland, built during the Cold War, could re-release frozen hazardous waste into the environment as its ice cover melts. The site, known as Camp Century, contains an estimated 200,000 liters of diesel fuel and toxic pollutants like PCBs.
A new study finds that climate change could remobilize abandoned hazardous waste from a US military base in Greenland, potentially disrupting nearby ecosystems. The camp's infrastructure and waste are estimated to contain toxic pollutants like PCBs and radioactive coolant.
Scientists have developed a new approach to capture carbon dioxide from flue gases using waste marble powder, outperforming current commercial calcium-carbonate sorbents. The powder showed high carbonation conversion rates and maintained its reactivity over multiple cycles.
Biological engineers at Cornell University have discovered a way to ferment carbon monoxide into ethanol using an anaerobic microbe. The process is controlled by thermodynamics rather than enzyme expression, making it a potential solution for producing biofuel from industrial waste gases.
A recent study found that only 53% of Americans are aware of food waste being a problem, despite its negative environmental impacts. The study identified practical benefits such as reduced risk of foodborne illness, but also feelings of guilt and misconceptions about the importance of food waste.
A team of researchers from top institutions, including PNNL and Washington State University, will study the chemistry of radioactive waste to accelerate cleanup efforts. The goal is to understand how radiation affects materials and constituents in waste tanks, ultimately reducing processing time and expense.
Researchers will investigate chemical reactions causing nuclear waste to change over time. The goal is to predict these changes and design effective methods for remediation and safe disposal of highly radioactive materials.
Research reveals most radioactive caesium fallout was concentrated in glassy microparticles, not dissolved in rainwater, with high radioactivity per unit mass. This challenges previous assumptions about Fukushima fallout and its health implications.
Research from Cornell Food & Brand Lab reveals that caregivers often serve large portions to show affection, leading to unnecessary food waste. The study suggests connecting food pantries with nutritional educators can reduce food waste in lower-middle class households.
Researchers have developed a new material that can capture certain gases released during nuclear fuel reprocessing at ambient temperature, potentially saving energy and reducing costs. The material, known as metal-organic frameworks (MOFs), has the potential to improve nuclear fuel recycling and waste reduction.
Scientists at EPFL have discovered a material that can absorb nuclear waste gases more efficiently, cheaply and safely than current methods. The material, SBMOF-1, is a nanoporous crystal that can separate xenon and krypton at room temperature.
Researchers created metallo-carbon neptunium compounds to study its fundamental structure and bonding properties. This work may aid in reducing the time for stored nuclear waste to decay safely and increase nuclear waste recycling.
One third of global food is lost or wasted, causing environmental harm and contributing to global warming. Individual actions, such as checking fridge contents before shopping and adjusting consumer choices, can significantly impact sustainability.
A rare type of iron nucleus, with a half-life of 2.6 million years, serves as a 'clock' to measure the distance between Earth and the source of galactic cosmic rays. The data suggest that nearby supernovae in massive star clusters are responsible for creating these nuclei.
Researchers at the University of Bergen have identified PET scanning as an effective tool for improved oil production and CO2 storage. The technology uses radioactive tracers to visualize the flow of liquid or gas in rock samples, increasing the efficiency of CO2 storage and oil production.
A multi-institution team is using the Titan supercomputer to study actinide chemistry and design methods for separating radioactive compounds from their inert counterparts. The team aims to develop a broad understanding of actinide science to safely store spent nuclear fuel and remediate contamination.
Researchers at TUM and USA colleagues have discovered unusually high concentrations of radioactive 60Fe in lunar samples from Apollo missions 12, 15 and 16. This evidence supports a supernova hypothesis, suggesting that one or more explosive events occurred close to our solar system approximately two million years ago.
An international team found radioactive iron-60 in sediment and crust samples from the Pacific, Atlantic, and Indian Oceans, indicating a series of massive supernovae near our solar system. The debris is dated to 3.2-1.7 million years ago and coincides with Earth's cooling period.
A recent study published by The Endocrine Society found that radioactive iodine treatment can impair a woman's remaining egg supply, known as ovarian reserve. Women who received high doses of radiation had significantly lower levels of anti-Müllerian hormone (AMH) after treatment.
Experts call for legislative action to reduce food waste, citing 7% global emissions contribution and need for sustainable food system. Voluntary agreements deemed insufficient, smaller portions and healthier diets proposed as complementary measures.
Researchers developed a microbial electrochemical cell that harnesses tomato waste to generate electric current. The process also helps purify the tomato-contaminated solid waste and associated wastewater. With an expected scale-up, the electrical output could be increased by several orders of magnitude.
Researchers at UNC-Chapel Hill have adapted solar energy technology to selectively remove americium from nuclear waste pools, making storage safer and nontoxic. The breakthrough solution also opens the door to expand one of the most efficient energy sources on the planet.
A new technique to remotely detect radioactive materials in dirty bombs or other sources has been proposed by researchers at the University of Maryland. The method uses low-power and high-power lasers to create a cascading breakdown of air, which is reflected back when the critical point is reached, indicating the presence of radioacti...
A protein critical to brain waste removal, TREM2, is diminished in age-related macular degeneration (AMD) and Alzheimer's disease. The research identified a key reason, microRNA-34a, leading to a new treatment target for both conditions.
Researchers from Swiss and German institutions analyzed truffle samples for radioactivity 30 years after Chernobyl. The study found negligible amounts of radioactive caesium in Burgundy truffles, making them safe for consumption. The results suggest that the unique nutrient uptake mechanism of Tuber aestivum may be responsible for this...
Researchers at Uppsala University have developed a new PET imaging method that uses monoclonal antibodies to provide more precise information on the brain than traditional radioactive tracers. The method has shown high specificity and can monitor the progression of Alzheimer's disease, allowing for better assessment of medication effects.
Scientists at Diamond Light Source are pioneering research to make the nuclear fuel cycle safer, more efficient, and straightforward. They're developing new cement materials that can effectively contain radioactive waste for thousands of years.
Researchers found that dairy farm waste treated with an advanced anaerobic digestion system still contained high levels of estrogens and antibiotics, which can harm wildlife and contribute to antibiotic resistance. The study highlights the need for improved treatment techniques to remove these chemicals from waste.
Researchers are mining existing landfills to recycle materials and convert them into energy, boosting methane production. This approach could extend a landfill's lifespan from 25-30 years to over 150 years, reducing the need for new landfills in urban areas.
Researchers at Princeton University create a method to selectively radiolabel compounds with tritium atoms, allowing for the study of drug metabolism and potential development speedup. The technique uses an iron-based catalyst that can tolerate various solvents, enabling the tracking of drug breakdown in the body.
A Norwegian University of Science and Technology study reveals that preventing food waste is more effective than recycling it into biogas in cutting energy impacts. The research also highlights the importance of phosphorus conservation as a key benefit of reducing food waste.
Researchers analyzed previous studies and empirical data to identify the need for further research on reducing household food waste. A standardized methodology to measure consumer food waste is also necessary to inform public policies and nutritional education initiatives.
Researchers at the University of Exeter estimate that bio scientific research generates 1.8% of global plastic production, equivalent to 67 cruise ships a year. They propose funding agencies incentivize greener practices with budget for lab recycling facilities and grant application requirements.
Researchers found that radioactive matter migrates more quickly through fractured carbonate rock when it has leaked from a tank near surface waste sites and geological repositories. Intrinsic colloid formation increases the mobility of leaked radioactive materials in the environment.
A new University of Washington study confirms that composting food scraps is the right thing to do for the environment. Composting significantly reduces methane emissions from landfills compared to sending food waste to landfills.
Researchers found biochar produced from tomato crop green waste can be used as a substrate for soilless hydroponic tomato production. The study showed that tomatoes grown in biochar-based substrates had similar growth, yield, and fruit quality to those in pine sawdust.
A new study suggests that lifting the EU pigswill ban could save around 1.8 million hectares of land by using heat-treated food waste as pig feed, cutting land use by 21.5% and feed costs in half. The model also shows that swill feeding is a safer alternative to grain-based diets.
A team from The Hebrew University of Jerusalem suggests that rare mergers of binary neutron stars are the origin of naturally occurring radioactive plutonium-244. This theory resolves the Galactic radioactive plutonium puzzle by explaining why only a small amount of plutonium has reached Earth in recent 100 million years.
Scientists at Woods Hole Oceanographic Institution report detecting increased radiation off the US West Coast due to Fukushima, with levels 50% higher than previous samples and still within safe drinking water limits. The study provides valuable insights into ocean currents and mixing, using radioactive isotopes as markers.
New research from the University of Texas at Austin suggests that rock salt used to store nuclear waste may not be as impermeable as previously thought. Deformation of the salt can create connected pore networks that allow fluids to flow, making it a more significant concern for storage sites.
A recent study found that oily waste containing natural radionuclides can strongly alter the microbial community in soil, selecting for resistant species and affecting community function. The long-term effects of such contamination on soil health and function are still unclear.
Researchers are developing an electrochemical separation process to remove challenging elements like cesium and strontium from used nuclear fuel. This approach aims to create less waste, separate out nuclear waste for better management, and extend the life of electrolyte solutions.
Dr. Rodney Ewing has made significant contributions to the field of geoscience, bridging disciplines to develop new applications and advancing science through publications. He serves on various advisory committees and policy boards, providing timely leadership in the disposal of high-level radioactive waste.
Researchers have successfully implemented time-of-flight PET scanning technology, reducing the radiation dose for cancer patients and staff by up to 30%. This has allowed an additional 100 scans per year at Central Manchester University Hospitals.
A new study reveals that potato waste in Switzerland can be reduced significantly through improved cultivation methods and quality standards. The researchers found that 53% of conventionally produced table potatoes are wasted, while organic production leads to a higher waste proportion.
Researchers at the University of Utah have successfully created LEDs from food and beverage waste, reducing toxic waste and offering a cost-effective alternative. The development utilizes carbon dots made from discarded pieces of tortilla and soft drinks, eliminating concerns over toxic elements.
Estimated electricity production from African urban waste could reach 122.2 TWh in 2025, alleviating energy poverty for millions. However, poor waste management limits actual potential to 83.8 TWh, affecting 27 million families.
A recent review of the effects of a series of biomedical research reviews found that some initiatives have reduced waste and increased value, but more needs to be done. The reviewers questioned whether it's time to reconsider the current system for awarding research funding, which may not reflect changing biomedical research needs.
The Ocean Conservancy's report outlines specific land-based solutions for reducing ocean plastic waste, including a four-point plan to cut leakage by 45% in 10 years. The report estimates a total cost of $5 billion and significant returns to the global economy.
Researchers estimate that 47% of edible US seafood supply is lost annually, mainly from consumer waste. The study suggests that reducing waste can support increased seafood consumption without stressing aquatic resources.
Researchers at Texas A&M University found that pairing popular vegetables with school entrees, such as burgers and chicken nuggets, can lead to increased vegetable consumption. The study suggests optimizing entrée-vegetable pairings in schools meals could positively impact vegetable intake for students relying on school meals.
A Ph.D. student at the University of Houston is studying calcium-aluminum-rich inclusions from the Allende meteorite to understand when the solar system formed. By analyzing the age of these inclusions, he can gain insight into the timing and nature of early solar system processes.
A new study reveals high levels of radioactivity in coal ash from all three major US coal-producing basins, up to five times higher than normal soil. The presence of radioactive elements like radium isotopes and lead-210 poses significant environmental and health risks if not properly regulated.