Current Radioactivity News and Events

Current Radioactivity News and Events, Radioactivity News Articles.
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New highly radioactive particles found in Fukushima
The 10 year anniversary of the Fukushima Daiichi nuclear accident occurs in March. Work just published in the Journal 'Science of the Total Environment' documents new, large (> 300 micrometers), highly radioactive particles that were released from one of the damaged Fukushima reactors. (2021-02-17)

Experimental tests of relativistic chemistry will update the periodic table
Researchers from Osaka University used a particle accelerator and co-precipitation to study the chemical reactivity of single rutherfordium atoms. Such experiments will continue the advancement of relativistic chemistry that is pertinent to a range of applications including renewable energy and new materials. (2021-02-16)

Radioactive bone cement found to be safer in treating spinal tumors
A radioactive bone cement that's injected into bone to provide support and local irradiation is proving to be a safer alternative to conventional radiation therapy for bone tumors, according to a study led by University of California, Irvine researchers. (2021-02-16)

Attacking tumors directly on identification
The combination of a biomolecule and a metal complex can target, bind, mark and damage cancer cells. A German-Spanish team has manufactured such a theranostic agent that visualises tumour cells by irradiation with visible light, and proved its effectiveness against lung cancer cells. (2020-09-02)

Cosmic rays may soon stymie quantum computing
Infinitesimally low levels of radiation, such as from incoming cosmic rays, may soon stymie progress in quantum computing. (2020-08-26)

Ancient star explosions revealed in the deep sea
A mystery surrounding the space around our solar system is unfolding thanks to evidence of supernovae found in deep-sea sediments. (2020-08-24)

Scientists demonstrate a new experiment in the search for theorized 'neutrinoless' proc
Nuclear physicists affiliated with Berkeley Lab played a leading role in analyzing data for a demonstration experiment in France that has achieved record precision for a specialized detector material. (2020-07-13)

Reducing radioactive waste in processes to dismantle nuclear facilities
Margarita Herranz, professor of nuclear engineering at the UPV/EHU, leads one of the working groups in the Europe H2020 INSIDER project. The project aims to improve the management of contaminated materials by designing a methodology which allows the best scenarios in the dismantling, closing down and remediation of nuclear facilities to be specified and selected; the ultimate aim is for the waste to be properly characterised and for its storage and disposal routes to be clearly identified. (2020-07-08)

Can oilfield water safely be reused for irrigation in California?
Reusing low-saline oilfield water mixed with surface water to irrigate farms in the Cawelo Water District of California does not pose major health risks, as some opponents of the practice have feared, a study led by Duke University and RTI International researchers finds. This finding only applies to questions about the safety in this water district, however. Oilfield water elsewhere will have different chemistry and salinity. (2020-05-22)

Cold War nuke tests changed rainfall
Historic records from weather stations show that rainfall patterns in Scotland were affected by charge in the atmosphere released by radiation from nuclear bomb tests carried out in the 1950s and '60s. (2020-05-13)

Study reveals single-step strategy for recycling used nuclear fuel
A typical nuclear reactor uses only a small fraction of its fuel rod to produce power before the energy-generating reaction naturally terminates. What is left behind is an assortment of radioactive elements, including unused fuel, that are disposed of as nuclear waste in the United States. Although certain elements recycled from waste can be used for powering newer generations of nuclear reactors, extracting leftover fuel in a way that prevents possible misuse is an ongoing challenge. (2020-05-04)

Molecule modification could improve reprocessing of spent nuclear fuel
The reprocessing of spent nuclear fuel could become safer and more efficient in future after researchers found a way to modify the structure of molecules to remove radioactive materials. The research is published in the influential Chemistry - A European Journal (7th January 2020) and is described by the editors of the journal as being of great significance. (2020-01-29)

Signals from inside the Earth: Borexino experiment releases new data on geoneutrinos
The Borexino collaboration has presented new results for the measurement of neutrinos originating from the interior of the Earth. With this update, the researchers have now been able to access 53 events -- almost twice as many as in the previous analysis of the data from the Borexino detector, which is located 1,400 meters below the Earth's surface. The results provide an exclusive insight into processes in the earth's interior that remain puzzling to this day. (2020-01-22)

Study shows animal life thriving around Fukushima
Nearly a decade after the nuclear accident in Fukushima, Japan, researchers from the University of Georgia have found that wildlife populations are abundant in areas void of human life. (2020-01-06)

Researchers perfect nanoscience tool for studies of nuclear waste storage
Studying radiation chemistry and electronic structure of materials at scales smaller than nanometres, the University of Guelph team prepared samples of clay in ultra-thin layers. Working at the TRIUMF particle accelerator, they bombarded the samples with antimatter subatomic particles. They found their system is a proven tool for radiation studies of material to be used to store nuclear waste -- important for Canadian nuclear industry looking to build its first geological repository. (2019-12-12)

New procedure for obtaining a cheap ultra-hard material that is resistant to radioactivity
The material has been made using the technique of laser zone floating, which consists of fusion by means of the application of intense laser radiation and then rapid solidification. Professor Cumbrera's team has used X-ray diffraction techniques to characterize the crystallography of the samples obtained and the defects present in them, as well as the possible preferential ordering of the polycrystal grains. (2019-10-25)

Distribution of highly radioactive microparticles in Fukushima revealed
New method allows scientists to create a quantitative map of radioactive cesium-rich microparticle distribution in soils collected around the damaged Fukushima Daiichi Nuclear Power Plant Nuclear Power Plant (FDNPP). This could help inform clean-up efforts in Fuksuhima region. (2019-10-16)

Mysterious release of radioactive material uncovered
In September 2017, a slightly radioactive cloud moved across Europe. The reason was not a reactor accident, but an accident in a nuclear reprocessing plant. The exact origin of the radioactivity is difficult to determine, but the data suggests a release site in the southern Urals. This is where the Russian nuclear facility Majak is located. The incident never caused any kind of health risks for the European population. (2019-07-29)

Are doctors treating more thyroid cancer patients than necessary?
New research may help change treatment practices for patients diagnosed with low risk thyroid cancer. (2019-07-10)

New model suggests lost continents for early Earth
A new radioactivity model of Earth's ancient rocks calls into question current models for the formation of Earth's continental crust, suggesting continents may have risen out of the sea much earlier than previously thought but were destroyed, leaving little trace. (2019-07-01)

Radioactive tadpoles reveal contamination clues
Tadpoles can be used to measure the amount of radiocesium, a radioactive material, in aquatic environments, according to new research from University of Georgia scientists. (2019-06-25)

Radioisotope couple for tumor diagnosis and therapy
Researchers at Kanazawa University report in ACS Omega a promising combination of radioisotope-carrying molecules for use in radiotheranostics -- a diagnosis-and-treatment approach based on the combination of medical imaging and internal radiation therapy with radioactive elements. (2019-05-13)

Researchers observe slowest atom decay ever measured
The XENON1T detector is mainly used to detect dark matter particles deep underground. But a research team led by Zurich physicists, among others, has now managed to observe an extremely rare process using the detector -- the decay of the Xenon-124 atom, which has an enormously long half-life of 1.8 x 10 high 22 years. (2019-04-24)

Uranium in mine dust could dissolve in human lungs
New Mexico contains hundreds of historic uranium mines. Although active uranium mining in the state has ceased, rates of cardiovascular and metabolic disease remain high in the population residing close to mines within the Navajo Nation. According to a new study in ACS' journal Environmental Science & Technology Letters, inhaled uranium in dusts from the mines could be a factor. (2018-12-05)

How slick water and black shale in fracking combine to produce radioactive waste
Study explains how radioactive radium transfers to wastewater in the widely-used method to extract oil and gas. (2018-09-18)

First reliable estimates of highly radioactive cesium-rich microparticles released by Fukushima disaster
Scientists have for the first time been able to estimate the amount of radioactive cesium-rich microparticles released by the disaster at the Fukushima power plant in 2011. This work, which will have significant health and environmental implications, is presented at the Goldschmidt geochemistry conference in Boston. (2018-08-14)

CT scans may increase the risk of brain cancer
A new study in the Journal of the National Cancer Institute suggests that CT scans, commonly used in medical imaging, may increase the risk of brain tumors. (2018-07-18)

Artificial intelligence accurately predicts distribution of radioactive fallout
Researchers at the University of Tokyo Institute of Industrial Science created a machine-learning-based tool that can predict where radioactive emissions from nuclear power plants will disperse. After training using extensive data on previous weather patterns, the tool consistently achieved over 85 percent predictive accuracy, and up to 95 percent in winter when large and predictable weather systems dominate. This tool can aid immediate evacuation in the aftermath of disasters like those at Fukushima and Chernobyl. (2018-07-02)

Ukrainian villages still suffering legacy of Chernobyl more than 30 years on
Milk in parts of Ukraine has radioactivity levels up to five times over the country's official safe limit, new research shows. (2018-06-08)

Zn-InsP6 complex can enhance excretion of radioactive strontium from the body
Researchers at Kanazawa University have found a new phenomenon that a complex of myo-inositol-hexakisphosphate (InsP6) with zinc enhances excretion of radioactive strontium from the body. (2018-06-01)

Oil and gas wastewater on the road could mean health and environment woes
A truck kicking up dust as it speeds down a dirt road is a typical image in country music videos. But this dust from unpaved roads is also an environmental and health hazard. To prevent dust clouds, some states treat dirt motorways with oil and gas wastewater. Now one group reports in Environmental Science & Technology that this wastewater contains harmful pollutants that have the potential to do more harm than good. (2018-05-30)

Oil and gas wastewater as dust suppressant less than ideal
At the least, wastewater from oil and gas drilling should be treated in a waste treatment facility before it is used on dirt roads to suppress dust or deice roads. At the best, affordable, nontoxic dust suppressants should be developed and used, according to a multidisciplinary team of researchers. (2018-05-30)

Fukushima radioactive particle release was significant says new research
Scientists say there was a significant release of radioactive particles during the Fukushima-Daiichi nuclear accident. The researchers identified the contamination using a new method and say if the particles are inhaled they could pose long-term health risks to humans. (2018-05-24)

New device uses biochemistry techniques to detect rare radioactive decays
UTA researchers are now taking advantage of a biochemistry technique that uses fluorescence to detect ions to identify the product of a radioactive decay called neutrinoless double-beta decay that would demonstrate that the neutrino is its own antiparticle. (2018-03-27)

UH scientists investigating mysterious dark matter
University of Houston scientists are helping to develop a technology that could hold the key to unraveling one of the great mysteries of science: what constitutes dark matter? (2018-03-15)

Background radiation in UAE's agricultural topsoil found to be lower than global average
The first civilian nuclear power plant in the Eastern Region of Arabian Desert, and specifically in the United Arab Emirates (UAE), will be operating four reactors between (2018- 2020). Before the construction of any regulated nuclear facility, it is essential to investigate the environmental background radiation level in the country. This study determines the primordial radionuclides concentrations obtained from 145 soil samples collected from multiple agriculture farms in the UAE. (2018-03-13)

Radioactivity from oil and gas wastewater persists in Pennsylvania stream sediments
More than seven years after Pennsylvania officials requested that the disposal of radium-laden fracking wastewater into surface waters be restricted, a new Duke study finds that high levels of radioactivity persist in stream sediments at three disposal sites. Radioactivity at these sites is 650 times higher than at unaffected sites upstream. The contamination comes from conventional, or non-fracked, oil and gas wastewater, which, under current state regulations, can still be treated and discharged into streams. (2018-01-19)

Research highlights ethical sourcing of materials for modern technology
Researchers from the Camborne School of Mines have identified methods to predict the environmental and social cost of resourcing new deposits of rare earth minerals used in the production of mobile phones, wind turbines and electric vehicles. (2017-11-10)

LEDs light the way for better drug therapies
A revolutionary new technique to create radioactive molecules, pioneered in the lab of Princeton University chemistry professor David MacMillan, has the potential to bring new medicines to patients much faster than before -- using light. While the previous approach took months, MacMillan's photocatalytic process replaces hydrogen with tritium in just hours. (2017-11-09)

Some Chinese coal ash too radioactive for reuse
Many manufacturers use coal ash from power plants as a low-cost binding agent in concrete and other building materials. But a new study finds that coal ash from high-uranium deposits in China is too radioactive for this use. Some coal ash analyzed in the study contained radiation 43 times higher than the maximum safe limit set for residential building materials by the U.N. Scientific Committee on the Effects of Atomic Radiation. (2017-11-09)

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