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Effectiveness of mouse breeds that mimic Alzheimer's disease symptoms questioned
Scientists have shown that recently developed mouse breeds that mimic the symptoms of Alzheimer's disease (AD) may not be as effective as previously assumed.   view more (2007-08-17)

X-rays provide a new way to investigate exploding stars
ESA's X-ray observatory XMM-Newton has revealed a new class of exploding stars - where the X-ray emission 'lives fast and dies young'.   view more (2007-05-10)

Diabetes drug dramatically boosts power of platinum chemotherapy
A widely used diabetes drug dramatically boosted the potency of platinum-based cancer drugs when administered together to a variety of cancer cell lines and to mice with tumors, scientists from Dana-Farber Cancer Institute report.   view more (2007-05-08)

Argonne scientists use lasers to align molecules
Protein crystallographers have only scratched the surface of the human proteins important for drug interactions because of difficulties crystallizing the molecules for synchrotron x-ray diffraction.   view more (2008-05-14)

The Glory of a Nearby Star
Optical Light from a Hot Stellar Corona Detected with the VLT The solar corona is a beautiful sight during total solar eclipses. It is the uppermost region of the extended solar atmosphere and consists of a very hot (over 1 million degrees), tenuous plasma of highly ionised elements that emit... view more (2001-07-31)

NASA's Chandra sees brightest supernova ever
The brightest stellar explosion ever recorded may be a long-sought new type of supernova, according to observations by NASA's Chandra X-ray Observatory and ground-based optical telescopes.   view more (2007-05-08)

UI researchers discover star orbiting a 'medium-sized' black hole
University of Iowa researchers have found a star orbiting a "medium-sized" black hole - about 1,000 times more massive than the sun - in the nearby starburst galaxy M82, a development that may help explain how medium-sized black holes form and evolve.   view more (2006-01-06)

New blood tests for TB show exposure to disease while tuberculin skin tests do not
Two new interferon-gamma blood test assays to detect latent tuberculosis infection (LTBI) showed customers were exposed to a supermarket employee in Holland who had smear-positive tuberculosis, while traditional tuberculin skin tests (TST) did not, according to a large contact study.   view more (2007-03-15)

Seeing through tooth decay
Dental caries afflict at least 90% of the world's population at some time in their lives. Detecting the first signs of this disease, which can be lethal in extreme cases, just got easier thanks to work by researchers in India discussed in the latest issue of the International Journal of Biomedical... view more (2008-08-25)

Impetus for TESLA
"DESY welcomes the rapid and trend-setting statement of the Federal Government on the large-scale research facilities and sees it as a tremendous chance for TESLA," said the Chairman of the DESY Directorate, Professor Albrecht Wagner in a first reaction. "The possibility to realize the TESLA X-ray... view more (2003-02-05)

Observation of X-rays from birth of supernova leads to all-out effort to record stellar death
The lucky capture in January of an X-ray outburst from the very beginning of a supernova allowed astronomers around the world to quickly follow up with ground-based telescopes and collect a wealth of new information on early processes in stellar explosions, according to a paper newly submitted to... view more (2008-05-22)

Stress management: X-rays reveal Si thin-film defects
Pile-ups, bad on the freeway, also are a hazard for the makers of high-performance strained-silicon (Si) semiconductor devices.   view more (2006-07-10)

Ultrasound researchers make no bones about their work
REF: 99/12 29 JANUARY 1999   view more (1999-05-26)

Jupiter: A cloudy mirror for the Sun?
Astronomers using the European Space Agency's XMM-Newton telescope have discovered that observing the giant planet Jupiter may actually give them an insight in to solar activity on the far side of the Sun! In research reported in the most recent edition of Geophysical Research Letters, they... view more (2005-03-07)

Voracious black holes hide their appetite in dusty galaxies
A UK-led team of astronomers reports that they have tracked down an elusive population of black holes growing rapidly hidden behind clouds of dust.   view more (2005-08-08)

Penn Researchers Pinpoint the Brain Waves That Distinguish False Memories From Real Ones
For the first time, researchers at the University of Pennsylvania are able to pinpoint brain waves that distinguish true from false memories, providing a better understanding of how memory works and creating a new strategy to help epilepsy patients retain cognitive function.   view more (2007-10-24)

Scientists Find Giant Ring Encircling Exotic Dead Star
One of the most powerful eruptions in the universe might have spun an infrared ring around a rare and exotic star known as a magnetar, a highly magnetized neutron star and the remnant of a brilliant supernova explosion signaling the death throes of a massive star.   view more (2008-05-29)

Neutron stars join the black hole jet set
NASA's Chandra X-ray Observatory has revealed an X-ray jet blasting away from a neutron star in a binary system.   view more (2007-06-28)

Rare gamma-ray flare from a distant star disturbs Earth's daytime ionosphere
On Dec. 27, 2004, scientists detected the largest gamma-ray burst ever recorded. It came from a magnetar-a neutron star with an enormous magnetic field-50,000 light years away.   view more (2006-02-21)

Nanoscale microscope sheds first light on gene repair
Proteins called H2AX act as "first aid" to DNA, among other roles. For the first time, scientists using the world's most powerful light microscope (the only one of its kind in the Americas) have seen how H2AX is distributed in the cell nucleus: in clusters, directing the first aid/repair... view more (2006-11-14)

Select quality seeds
Old MacDonald had a horse. These days he owns a mechanized seeder and crop seeds that have been optimized via X-ray technology. Microcomputer tomography is being used to automatically analyze and grade the quality of sugar beet seeds. The spring sowing of sugar beet will begin in a couple of weeks... view more (2004-02-26)

Discovery of Giant X-ray Loop Hints at Cosmic Particle Accelerator
Astronomers have found a vast loop-like structure, 20 light years across, adjacent to the most massive star-forming region known in our galaxy. The loop, which was observed in X-ray wavelengths, is 15 times the size of the Arches Cluster, a star-forming region close to the centre of the Milky Way.... view more (2005-03-31)

Discovery of Giant X-ray Loop Hints at Cosmic Particle Accelerator
Astronomers have found a vast loop-like structure, 20 light years across, adjacent to the most massive star-forming region known in our galaxy.   view more (2005-04-01)

Chang'e-1 - new mission to Moon lifts off
A bold new mission to the Moon was launched today by the Chinese National Space Administration (CNSA). Chang'e-1 blasted off from the Xichang Satellite Launch Centre, Sichuan, atop a Long March 3A rocket.   view more (2007-10-25)

Iron For Crystals Or Cheap Tomographs
Unlike the traditional X-ray photography, which imprints a black-and-white picture on the film, the X-ray tomograph reproduces coloured three-dimensional `movies` about the organs` behavior on the computer screen. The X-ray tomograph enables the scientists to find a thrombus in a blood vessel, to... view more (2002-06-07)
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