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Cleaner diesels thanks to laser light
Measuring soot formation in a diesel engine is far from easy. Due to the turbulent environment in the combustion cylinder, no two combustion cycles are the same.   view more (2007-12-10)

Chandra discovers light echo from the Milky Way's Black Hole
Like cold case investigators, astronomers have used NASA's Chandra X-ray Observatory to uncover evidence of a powerful outburst from the giant black hole at the Milky Way's center.   view more (2007-01-11)

Expect a Warmer, Wetter World this Century, Computer Models Agree
Recent episodes of deadly heat in the United States and Europe, long dry spells across the U.S. West, and heavy bursts of rain and snow across much of North America and Eurasia hint at longer-term changes to come, according to a new study based on several of the world's most advanced climate models.   view more (2006-10-23)

University of Pennsylvania Engineers Reveal What Makes Diamonds Slippery at the Nanoscale
They call diamonds "ice," and not just because they sparkle. Engineers and physicists have long studied diamond because even though the material is as hard as an ice ball to the head, diamond slips and slides with remarkably low friction, making it an ideal material or coating for seals,... view more (2008-06-24)

Functional brain imaging in the dog.
Single photon emission tomography is an imaging modality using radiolabelled tracer substances to investigate function and metabolism of various organs in the living patient. We explored this technique in the dog to investigate brain function. Brain perfusion (an indirect indicator for metabolism... view more (2003-02-04)

IMPACTS: On the Threshold of Abrupt Climate Changes
Abrupt climate change is a potential menace that hasn't received much attention. That's about to change. Through its Climate Change Prediction Program, the U.S. Department of Energy's Office of Biological and Environmental Research (OBER) recently launched IMPACTS - Investigation of the Magnitudes... view more (2008-09-22)

Argonne theorist gains new insight into the nature of nanodiamond
The newest promising material for advanced technology applications is diamond nanotubes, and research at the U.S. Department of Energy's Argonne National Laboratory is giving new insight into the nature of nanodiamond.   view more (2005-09-12)

New image analysis techniques to monitor how breast tumours respond to drugs
New techniques that might allow magnetic resonance imaging (MRI), to be used to give doctors subtle information about a tumour’s physiology and how it reacts to drug therapy are being developed.   view more (2001-12-18)

Nature press release for 5 October issue
[407606] SPACE: PICK UP THE PIECES (pp606–608; N&V) More meteorites rain onto the Earth than recent models of Solar System dynamics predict. This week, David Vokrouhlick'½ of Charles University in Prague, Czech Republic, and Paolo Farinella of the University of Trieste, Italy, offer an... view more (2000-10-05)

Science with Integral -- 5 years on
With eyes that peer into the most energetic phenomena in the universe, ESA's Integral has been setting records, discovering the unexpected and helping understanding the unknown over its first five years.   view more (2007-10-18)

A new unidentified very high energy gamma-ray source in our Galaxy
A European team based in Heidelberg (Germany) and their colleagues from the HEGRA collaboration have discovered a new, unidentified, very high energy gamma-ray source in our Galaxy. This source was detected via ground-based observations of the Imaging Atmosphere Cherenkov Telescope System.   view more (2004-12-14)

Central American fires impact US air quality and climate
Scientists using NASA satellites and computer models have shown that pollutants from Central American biomass burning can influence air quality and climate in the United States.   view more (2006-10-11)

Deep sea algae connect ancient climate, carbon dioxide and vegetation
Assistant Professor Mark Pagani in the Department of Geology and Geophysics at Yale and his colleagues mapped the first detailed history of atmospheric carbon dioxide between 45-25 million years ago based on stable isotopes of carbon in a National Science Foundation study reported in Science... view more (2005-06-23)

NASA data show earthquakes may quickly boost regional volcanoes
Scientists using NASA satellite data have found strong evidence that a major earthquake can lead to a nearly immediate increase in regional volcanic activity.   view more (2007-04-11)

Pitt professor says harmful byproducts of fossil fuels could be higher in urban areas
Nitrogen oxides, the noxious byproduct of burning fossil fuels that can return to Earth in rain and snow as harmful nitrate, could taint urban water supplies and roadside waterways more than scientists and regulators realize.   view more (2007-10-23)

Microorganisms one part of the solution to energy problem, says report
The answer to one of the world's largest problems - the need for clean, renewable sources of energy - might just come from some of the world's smallest inhabitants - bacteria - according to a new report, Microbial Energy Conversion, released by the American Academy of Microbiology.   view more (2006-11-17)

New paper offers insights into 'blinking' phenomena
A new paper by a team of researchers led by University of Notre Dame physicist Bolizsár Jankó provides an overview of research into one of the few remaining unsolved problems of quantum mechanics.   view more (2008-07-02)

Scientists detect first afterglow of short gamma-ray bursts
In the powerful, fast-fading realm of gamma-ray bursts, scientists say they have detected for the first time a lingering afterglow of the shortest types of bursts, which themselves disappear within a second.   view more (2002-02-18)

Geophysical Research Letters - European Highlights - 1 May 2001
American Geophysical Union Geophysical Research Letters European Highlights of This Issue - 1 May 2001 ******************** Contents I. Highlights II. Authors and their institutions III. Notes, including ordering information for science writers ********** I. Highlights 3. Johnson et al. ["Role of... view more (2001-04-18)

Patients may want to skip that cup of coffee before undergoing PET/CT scans
Patients who need a positron emission tomography (PET)/computed tomography (CT) procedure to evaluate known or suspected malignancies should lay off the java, according to research by Medhat M. Osman, M.D., Ph.D., assistant professor in the department of internal medicine's division of nuclear... view more (2005-06-21)

Astronomers link old stars and mysterious cosmic explosions
Cosmic gamma-ray bursts, the most powerful explosions in the universe, have the extreme brilliance of a billion billion Suns and occur several times a day.   view more (2005-12-15)

Climatic change and environmental functions of forests
The situation in Navarre with regard to climatic change is one of concern given that gas emissions from the greenhouse effect are even greater than the average in Spain (45%).   view more (2006-05-03)

The Light Is Fighting Cancer
The light helps physicians of the Gertsen Moscow Scientific Research Oncological Institute to fight cancer. The division headed by Professor Sokolov closely collaborates with the department of optical spectroscopy, Prokhorov Institute of General Physics, Russian Academy of Sciences, headed by... view more (2003-06-27)

Radical engine redesign would reduce pollution, oil consumption
Researchers have created the first computational model to track engine performance from one combustion cycle to the next for a new type of engine that could dramatically reduce oil consumption and the emission of global-warming pollutants.   view more (2007-05-11)

NEW TECHNIQUE SHOWS DEATH OF HEART CELLS IN HEART-ATTACK PATIENTS (P 209)
In this week's issue of THE LANCET, researchers from the Netherlands describe a new imaging technique capable of pinpointing areas of cell death in the hearts of patients who have had an acute myocardial infarction (heart attack). In acute myocardial infarction, the blood supply to part of the... view more (2000-07-12)
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