Cosmic Radiation Current Events | Cosmic Radiation News | 7
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Mysterious cosmic rays linked to galactic powerhouses
The sprawling Auger Cosmic Ray Observatory in South America has produced its first major discovery while still under construction. view more (2007-11-09)
OHSU Cancer Institute researcher: radiation, immunotherapy gives greater effectiveness
Oregon Health & Science University Cancer Institute researchers have found the right formula of radiation and immunotherapy for fighting lung cancer tumors in mice, which they hope will translate to better treatment in human lung cancers. view more (2008-09-26)
3-D radiation treatment planning reduces feeding-tube use
Although current surgical techniques and multi-modality treatment regimens allow organ preservation for a growing number of patients with head and neck cancers, remaining dependent on a feeding tube after treatment is a major problem for these patients. view more (2006-11-06)
6 North American sites hold 12,900-year-old nanodiamond-rich soil
Abundant tiny particles of diamond dust exist in sediments dating to 12,900 years ago at six North American sites, adding strong evidence for Earth's impact with a rare swarm of carbon-and-water-rich comets or carbonaceous chondrites, reports a nine-member scientific team. view more (2009-01-05)
Dark energy -- 10 years on
Three quarters of our universe is made up of some weird, gravitationally repulsive substance that was only discovered ten years ago - dark energy. view more (2007-11-30)
Researchers Find a Way to Reduce Patient Radiation Dose During Pulmonary CT Angiography
While screening for possible pulmonary emboli using pulmonary CT angiography, a new study shows that radiologists can effectively lower the patient radiation dose by approximately 44% and improve vascular enhancement without deterioration of image quality. view more (2009-07-01)
Shedding light on the cosmic skeleton
"Matter is not distributed uniformly in the Universe," says Masayuki Tanaka from ESO, who led the new study. "In our cosmic vicinity, stars form in galaxies and galaxies usually form groups and clusters of galaxies. The most widely accepted cosmological theories predict that matter also clumps on a larger scale in the so-called... view more... (2009-11-03)
High-dose radiation improves lung cancer survival, U-M study finds
Higher doses of radiation combined with chemotherapy improve survival in patients with stage III lung cancer, according to a new study by researchers at the University of Michigan Comprehensive Cancer Center. view more (2009-04-09)
Tycho's Remnant Provides Shocking Evidence for Cosmic Rays
Astronomers have found compelling evidence that a supernova shock wave has produced a large amount of cosmic rays, particles of mysterious origin that constantly bombard the Earth. view more (2005-09-23)
19% of women don't receive recommended radiation after mastectomy
One-fifth of women who should receive radiation after a mastectomy are not getting this potentially lifesaving treatment, according to a new study from researchers at the University of Michigan Comprehensive Cancer Center. view more (2009-02-04)
Predicting the radiation risk to ESA's astronauts
European scientists have developed the most accurate method yet for predicting the doses of radiation that astronauts will receive aboard the orbiting European laboratory module, Columbus, attached to the ISS this week. view more (2008-02-14)
Study first: Over-expression of Cox-2 can predict prostate cancer outcome
Researchers say an over-expression of COX-2 in men with prostate cancer is associated with an increase in PSA after radiation treatment and the spread of the cancer outside of the prostate. view more (2006-11-09)
Radiologists Can Dramatically Lower Cardiac CT Radiation Dose in Some Patients
Radiologists can now lower the radiation dose delivered by cardiac CT angiography by 39% in adult patients weighing 185 pounds or less, according to a study performed at the University of Erlangen in Erlangen, Germany. view more (2009-04-06)
Cancer patients who receive neoadjuvant therapy followed by mastectomy may not need radiation
Early-stage breast cancer patients who exhibit limited lymph node involvement may not require post-surgery radiation therapy (RT) when they receive neoadjuvant chemotherapy before a mastectomy, according to researchers from The University of Texas M. D. Anderson Cancer Center. view more (2008-09-25)
New radiation technique helps brain cancer patients keep their hair
Patients whose cancer has spread to the brain can avoid typical hair loss (alopecia) when treated with newer radiation techniques, thereby improving their quality of life while still controlling their cancer. view more (2005-10-17)
Ultraviolet radiation induced flux of nitrogen oxides from pine needles
In the latest edition of Nature (March 13th, 2003) a group of scientist led by professor Pertti Hari from the University of Helsinki presents a novel observation: ultraviolet radiation induced a flux of nitrogen oxides (NOx) from pine needles to the atmosphere. This result is interesting because nitrogen oxides participate in several essential... view more... (2003-03-14)
Guided radiation therapy for prostate cancer prevents damage to surrounding organs
Oregon Health & Science University Cancer Institute researchers have found that highly targeted radiation therapy for prostate cancer can ensure that the majority of persons with this tumor will not have any long-term rectal damage. view more (2007-10-29)
Collaboration shines possible light on objects 'weirder than black holes'
Researchers from Duke University and the University of Cambridge think there is a way to determine whether some black holes are not actually black. view more (2007-09-25)
Women with breast cancer have less dermatitis when treated with IMRT
All women treated with radiation therapy for breast cancer are at risk of developing dermatitis-a sometimes-painful skin condition caused by radiation as it makes its way through the skin to the tumor area and tissue within the breast. view more (2007-10-29)
University of Toronto study shows climate change will lead to less ultraviolet radiation over northern high latitudes
Physicists at the University of Toronto have discovered that changes in the Earth's ozone layer due to climate change will reduce the amount of ultraviolet (UV) radiation in northern high latitude regions such as Siberia, Scandinavia and northern Canada. view more (2009-09-16)
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