Radioactive
Researchers discover exoplanets can be made less habitable by stars' flares  PHYS.ORG · 10 hours
The discovery of terrestrial exoplanets, planets that orbit stars outside the solar system, has been one of the most significant developments in modern astronomy. Several exoplanets... more
Finding a killer electron hot spot in Earth's Van Allen radiation belts  SCIENCE DAILY · 2 days
JAXA and NASA satellite observations show where killer electrons are generated in the Van Allen radiation belts surrounding Earth. more
Miniaturized, light-adaptive, wireless dosimeters autonomously monitor exposure to electromagnetic radiation  Science Magazine · 2 days
Exposure to electromagnetic radiation (EMR) from the sun and from artificial lighting systems represents a modifiable risk factor for a broad range of health conditions including skin cancer,... more
Finding a killer electron hot spot in Earth's Van Allen radiation belts  PHYS.ORG · 2 days
A collaboration between researchers in Japan, the U.S., and Russia has found a hot spot in Earth's radiation belt where killer electrons, which can... more
Caution is advised in interpreting the findings on radioiodine therapy for hyperthyroidism  NEWS MEDICAL · 3 days
Caution is advised in interpreting the findings of the recent JAMA Internal Medicine publication1 on radioactive iodine treatment for hyperthyroid patients and cancer mortality. more
Researchers perfect nanoscience tool for studies of nuclear waste storage  SCIENCE DAILY · 3 days
Studying radiation chemistry and electronic structure of materials at scales smaller than nanometers, scientists prepared samples of clay in ultra-thin layers. Working at the TRIUMF particle accelerator, they... more
Chernobyl-Level Radiation Exposure Increases Bumblebees’ Appetite for Nectar  SCI-NEWS.COM · 3 days
A team of researchers from the University of Stirling and the Centre for Ecology and Hydrology in the UK has... more
Fukushima clean-up reduces radiation levels, but not all  PHYS.ORG · 3 days
Clean-up efforts at Japan's Fukushima nuclear plant, destroyed by a massive earthquake and tsunami in 2011, have significantly reduced radiation levels but untreated forested areas remain a problem, scientists said Thursday. more
Bumblebees exposed to Chernobyl-levels of radiation consume more nectar  PHYS.ORG · 3 days
The study simulated Chernobyl-levels of radiation exposure in a laboratory to investigate the impacts it may be having on insects inhabiting the exclusion zone. Although it has been previously found... more
Radiation therapy alone found to be cost-effective for treatment of DCIS  NEWS MEDICAL · 4 days
Ductal carcinoma in-situ (DCIS) accounts for one-fifth of breast cancer cases in the United States, according to the American Cancer Society. more
Medical News Today: Cancer: Common antibiotic may boost immune system  MNT · 4 days
New research in mice suggests that administering a common antibiotic before radiation therapy can help the immune system fight off cancer. more
Common antibiotic appears to boost the effect of radiation on tumor cells  NEWS MEDICAL · 6 days
The antibiotic vancomycin alters the gut microbiome in a way that can help prime the immune system to more effectively attack tumor cells after... more
Cancer patients report less dry mouth after receiving acupuncture treatment  NEWS MEDICAL · 1 week
After receiving acupuncture treatment three days a week during the course of radiation treatment, head and neck cancer patients experienced less dry mouth, according to study results from... more
Shorter course of high-dose radiation treatment shows promise in breast cancer patients  NEWS MEDICAL · 1 week
A shorter course of higher-dose radiation treatment to part of the breast is showing promise in women with early-stage breast cancer who undergo breast... more
A New Theory for How Black Holes and Neutron Stars Shine Bright  ASTRO WATCH · 1 week
For decades, scientists have speculated about the origin of the electromagnetic radiation emitted from celestial regions that host black holes and neutron stars—the most... more
Radiation rotifer  ESA · 1 week
The 19th SpaceX Dragon supply mission to the International Space Station will carry cargo for astronauts to run experiments for European researchers on Earth. One curious cargo is the microscopic organism, rotifers,... more
Siting cell towers needs careful planning  SCIENCE DAILY · 2 weeks
The health impacts of radio-frequency radiation (RFR) are still inconclusive, but the data to date warrants more caution in placing cell towers. An engineering team considers the current understanding of health impacts and possible solutions, which... more
Siting cell towers needs careful planning: Health impacts?  SCIENCE DAILY · 2 weeks
The health impacts of radio-frequency radiation (RFR) are still inconclusive, but the data to date warrants more caution in placing cell towers. An engineering team considers the current understanding of health impacts... more
A trick for taming terahertz transmissions  SCIENCE DAILY · 2 weeks
Researchers have invented a wireless communication receiver that can operate in the terahertz frequency band. By increasing the sensitivity 10,000-fold, they achieved the fastest Researchers invent a new receiver for terahertz-frequency radiation -- by implementing coherent... more
Gamma-ray binary HESS J0632+057 contains a pulsar, study suggests  PHYS.ORG · 2 weeks
Using NuSTAR spacecraft and the VERITAS array of telescopes, an international team of astronomers has investigated a gamma-ray binary known as HESS J0632+057. The study found that a compact object... more
A trick for taming terahertz transmissions  PHYS.ORG · 2 weeks
An Osaka University research team has introduced a new terahertz detector that allows extremely rapid wireless data communication and highly sensitive radar by using a frequency range that has previously been very difficult to work with.... more
Ionizing radiation in the Chernobyl region lowers the population sizes of bank voles  PHYS.ORG · 2 weeks
Population sizes of bank voles are lower in the areas where radiation level in the environment is increased. In her dissertation at... more
Alzheimer's may soon be treated with low dose radiation therapy  NEWS MEDICAL · 3 weeks
A new Phase I study is in the pipeline that would try the effects of low dose radiation therapy for patients with Alzheimer’s disease. The researchers from the... more
A new theory for how black holes and neutron stars shine bright  nanowerk · 3 weeks
Astrophysicists suggest radiation that lights the densest objects in our universe is powered by the interplay of turbulence and reconnection of super-strong magnetic fields. more
A new theory for how black holes and neutron stars shine bright  PHYS.ORG · 3 weeks
For decades, scientists have speculated about the origin of the electromagnetic radiation emitted from celestial regions that host black holes and neutron stars—the most... more
On your medicine's secret service  nanowerk · 3 weeks
Whether a wound heals well under a dressing cannot be seen from the outside. Researchers are now enabling a view through the bandage à la James Bond. The refined application of terahertz radiation could promote the analysis of... more
Tandem radiation therapy effective in prostate cancer patients with no treatment options  NEWS MEDICAL · 3 weeks
Reports of new cancer treatments often raise high hopes and expectations, particularly, of course, among cancer patients and their families. more
Determining topographical radiation dose profiles using gel nanosensors  PHYS.ORG · 3 weeks
The routine measurement of radiation doses can be clinically challenging due to limitations with conventional dosimeters used to measure the dose uptake of external ionizing radiation. In a new study, Karthik Pushpavanam... more
Breast-conserving treatment may be a viable alternative to mastectomy, study suggests  NEWS MEDICAL · 3 weeks
Approximately 10% of breast cancer patients treated with lumpectomy (breast-conserving surgery [BCS]) and whole-breast radiation (WBI) will have a subsequent in-breast local recurrence of cancer (IBTR)... more
Brain cancer: Lithium may restore cognitive function after radiation  MNT · 3 weeks
New research has found that lithium improves memory and learning capabilities in young female mice that have undergone radiation treatment. more
Medical News Today: Brain cancer: Lithium may restore cognitive function after radiation  MNT · 3 weeks
New research has found that lithium improves memory and learning capabilities in young female mice that have undergone radiation treatment. more
Chemistry in the turbulent interstellar medium  PHYS.ORG · 3 weeks
Over 200 molecules have been discovered in space, some (like Buckminsterfullerene) very complex with carbon atoms. Besides being intrinsically interesting, these molecules radiate away heat, helping giant clouds of interstellar material cool and contract to form... more
Physicists determine dripline for fluorine and neon isotopes  PHYS.ORG · 3 weeks
An international team of physicists with the BigRIPS experiment taking place at the RIKEN Radioactive Isotope Beam Factory in Japan has determined the dripline for fluorine and neon isotopes. In their paper... more
New antenna tech to equip ceramic coatings with heat radiation control  SCIENCE DAILY · 3 weeks
Researchers have developed a way for ceramic coatings to control heat radiation, a feature that could increase the performance of aircraft engines operating at high temperatures. more
Shimmering skies signal space weather  ESA · 3 weeks
Image: The Aurora, seen here dancing above Svalbard in Norway, is the most beautiful result of space weather on Earth.The lights, most commonly found at polar... more
This ‘Blob’ of Radiation Might Be a Long-Lost Neutron Star  LIVE SCIENCE · 4 weeks
In 1987, a star exploded, creating the brightest supernova to light up Earth's skies in 400 years. That star's corpse has been missing for 30 years. Now, researchers... more
Discovery of fossil asteroidal ice in primitive meteorite Acfer 094  Science Magazine · 4 weeks
Carbonaceous chondrites are meteorites believed to preserve our planet’s source materials, but the precise nature of these materials still remains uncertain. To uncover pristine planetary materials, we performed... more
First detection of the cosmic monster explosions with ground-based gamma-ray telescopes  PHYS.ORG · 4 weeks
The strongest explosions in the universe produce even more energetic radiation than previously known: Using specialized telescopes, two international teams have registered the highest energy gamma... more
3D printed optics  nanowerk · 4 weeks
Researchers have produced so-called diffraction gratings using 3D printing. Their measurements have shown that the gratings enable systematic manipulation of high-frequency radiation. more
New antenna tech to equip ceramic coatings with heat radiation control  PHYS.ORG · 4 weeks
The gas turbines powering aircraft engines rely on ceramic coatings that ensure structural stability at high temperatures. But these coatings don't control heat radiation, limiting the... more
Nanotubes to equip ceramic coatings with heat radiation control  nanowerk · 4 weeks
Researchers have engineered ceramic nanotubes that behave as thermal antennas, offering control over the spectrum and direction of high-temperature heat radiation. more
Machine learning-assisted molecular design for high-performance organic photovoltaic materials  PHYS.ORG · 4 weeks
To synthesize high-performance materials for organic photovoltaics (OPVs) that convert solar radiation into direct current, materials scientists must meaningfully establish the relationship between chemical structures and their photovoltaic properties. In... more
Radiation from CT scans can increase risk of leukemia, thyroid cancer  NEWS MEDICAL · 4 weeks
A new study in JNCI Cancer Spectrum finds that exposure to radiation from CT scans is associated with higher risks of developing thyroid cancer and leukemia. more
Radiology-led awareness initiatives help decrease medical radiation dose that Americans receive  NEWS MEDICAL · 4 weeks
The Image Gently and Image Wisely awareness campaigns, radiology and industry collaboration to advance low-dose technologies, growing use of the ACR Dose Index Registry, and mandatory... more
Sterilizing mosquitoes may be the answer to curb Zika, Dengue, Chikungunya, WHO reports  NEWS MEDICAL · 4 weeks
A new technique that sterilizes male mosquito through radiation shows promise in fighting mosquito-borne illnesses, including Zika, dengue and chikungunya. Soon, health... more
Determination of topographical radiation dose profiles using gel nanosensors  Science Magazine · 1 month
Despite the emergence of sophisticated technologies in treatment planning and administration, routine determination of delivered radiation doses remains a challenge due to limitations associated with conventional dosimeters. Here, we describe... more
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