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XMM-Newton reveals a magnetic surprise
02-22-2007 · European Space Agency (ESA)ESA's X-ray observatory XMM-Newton has revealed evidence for a magnetic field in space where astronomers never expected to find one. The magnetic field surrounds a young star called AB Aurigae and provides a possible solution to a twenty-year-old puzzle.
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- XMM-Newton reveals X-rays from gas streams around young stars
05-31-2007 · European Space Agency (ESA)
XMM-Newton has surveyed nearly two hundred stars under formation to reveal, contrary to expectations, how streams of matter fall onto the young stars' magnetic atmospheres and radiate X-rays.
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- Gamma-ray birth cries suggest massive magnetic engines
03-08-2007 · EurekAlert!
A gamma-ray burst observed by NASA's Swift satellite on July 29, 2006, generated an X-ray afterglow that remained detectable to the spacecraft's X-ray Telescope (XRT) for 125 days -- an astonishing long time -- indicating the possible formation of a magnetar. If Chandra or XMM-Newton can see the afterglow later this year, GRB 060729 will break the record for longest observed X-ray afterglow.
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- A&A special feature: XMM-Newton deciphers the magnetic physics around forming stars
05-31-2007 · EurekAlert!
Astronomy & Astrophysics is publishing a special feature this week dedicated to the XMM-Newton extended survey of the Taurus molecular cloud. One of the main results is the identification of unusual physical processes not known before in forming stars. These unprecedented observations suggest that the gas streams falling down onto the forming star and the jets being ejected from it both play major roles in the production of X-rays.
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- New study reveals gender disparity in anti-TNF treatment for rheumatoid arthritis
06-14-2007 · EurekAlert!
Findings reported today at EULAR 2007, the Annual European Congress of Rheumatology in Barcelona, Spain, reveal a treatment disparity between female and male patients with rheumatoid arthritis. Data from a study at the Karolinska Institute, Sweden, show that women receive anti-TNFs -- very effective but expensive modern medications against this disease -- at a higher perceived level of disease activity, and when they are reporting more severe pain than their male counterparts.
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- New technique reveals insights into lung disease
12-13-2007 · EurekAlert!
Doctors at the Universities of Nottingham and Leicester are collaborating in the use of a magnetic resonance technique to image and quantify the air spaces inside the lungs -- and the results of their research may lead to a link between childhood disease and later degenerative lung disease.
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- New technique for 'weighing' black holes
05-16-2007 · European Space Agency (ESA)
ESA's XMM-Newton has helped to find evidence for the existence of controversial Intermediate Mass Black Holes. Scientists used a new, recently proven method for determining the mass of black holes.
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- The smallest piece of ice reveals its true nature
06-21-2007 · EurekAlert!
Collaborative research between scientists in the UK and Germany (published in this week's Nature Materials) has led to a breakthrough in the understanding of the formation of ice. Dr Angelos Michaelides of the London Centre for Nanotechnology (formerly of the Fritz-Haber Institut der Max-Planck Gesellschaft in Berlin) and Professor Karina Morgenstern of the Leibniz University Hannover have combined experimental observations with theoretical modelling to reveal with unprecedented resolution the structures of the smallest pieces of ice that form on hydrophobic metal surfaces.
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- Obesity research boosted by watching hunger in the brain
11-07-2007 · EurekAlert!
Scientists can now measure how full or hungry a mouse feels, thanks to a new technique which uses imaging to reveal how neurons behave in the part of the brain which regulates appetite. Researchers hope the technique, which uses magnetic resonance imaging, will enable a far greater understanding of why certain people become obese when others do not, and why different people have different appetites.
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- Researchers reveal mystery of bacterial magnetism
10-20-2006 · EurekAlert!
Scientists at the Naval Research Laboratory (NRL) and Purdue University have shed light on one of microbiology's most fascinating mysteries -- why some bacteria are naturally magnetic. Their description of how being magnetic "helps" the bacteria is reported in the August 2006 issue of the Biophysical Journal.
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- X-ray evidence supports possible new class of supernova
01-04-2007 · EurekAlert!
Evidence for a significant new class of supernova has been found with NASA's Chandra X-ray Observatory and the European Space Agency's XMM-Newton. These results strengthen the case for a population of stars that evolve rapidly and are destroyed by thermonuclear explosions. Such "prompt" supernovas could be valuable tools for probing the early history of the cosmos.
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