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First direct evidence that human activity is linked to Antarctic Ice Shelf collapse
The first direct evidence linking human activity to the collapse of Antarctic ice shelves is published this week in the Journal of Climate.   view more (2006-10-17)

Astronomers use laser to take clearest images of the center of the Milky Way
UCLA astronomers and colleagues have taken the first clear picture of the center of our Milky Way galaxy, including the area surrounding the supermassive black hole, using a new laser virtual star at the W.M. Keck observatory in Hawaii.   view more (2005-12-21)

Landslide syndrome: politicians and executives surf the waves of change
Psychological models of stress and change have been used to predict the behaviour of world leaders and executives in periods of radical change. Professor Peter Herriot, Institute of Employment Studies, Dr Richard Plenty, Shell International, Ashley Weinberg, University of Manchester and Dai... view more (1998-12-23)

Mailman School of Public Health researchers analyze air quality and weather changes by 2050
In a first of its kind study, a research team based at Columbia's Mailman School of Public Health found that changes in urban sprawl and climate that are projected to occur in the New York City metropolitan area by the 2050s could significantly affect air quality and health in the region.   view more (2007-05-15)

Chandra data reveal rapidly whirling black holes
A new study using results from NASA's Chandra X-ray Observatory provides one of the best pieces of evidence yet that many supermassive black holes are spinning extremely rapidly. The whirling of these giant black holes drives powerful jets that pump huge amounts of energy into their environment and... view more (2008-01-11)

Women and arthritis sufferers have poorer short-term recovery from arthroscopic knee surgery
The factors associated with poor short-term recovery from knee surgery appear to be different than those found to mar long-term outcome from the same surgery.   view more (2007-07-16)

Stars Form Surprisingly Close to Milky Way's Black Hole
NASA's Chandra X-ray Observatory revealed a new generation of stars spawned by a super-massive black hole at the center of the Milky Way galaxy.   view more (2005-10-14)

Negative effects of caffeine are stronger on daytime sleep than on nocturnal sleep
A new study at the Université de Montréal has concluded that people drinking coffee to get through a night shift or a night of studying will strongly hurt their recovery sleep the next day.   view more (2006-10-03)

Scientists find the reason behind black holes' light shows
A team of astronomers led by the University of Michigan may know how black holes are lighting up the Universe.   view more (2006-06-22)

UMaine teams with fishermen to study affects of trawling on seafloor ecology
Working in cooperation with Maine trawler captain Cameron McLellan and the Gulf of Maine Research Institute, UMaine graduate student Emily Knight and UMaine Marine Science professor Les Watling recently completed a long-term study that examines the effects of groundfish trawling on the complex... view more (2006-02-08)

Scientists Probe Black Hole's Inner Sanctum
How does matter spiral its way to the center of a galaxy and into the mouth of a supermassive black hole?   view more (2006-01-10)

Gene That Controls Ozone Resistance of Plants Could Lead to Drought-Resistant Crops
Biologists at the University of California, San Diego, working with collaborators at the University of Helsinki in Finland and two other European institutions, have elucidated the mechanism of a plant gene that controls the amount of atmospheric ozone entering a plant's leaves.   view more (2008-02-28)

The accretion disks around super-massive black holes: do they really exist?
Active Galactic Nuclei (AGN) and quasars (QSO) are the most luminous objects in the sky. These are powered by accretion of interstellar gas onto a supermassive black hole (BH) of about 100 millions solar masses which stands at the center of galaxies. For Seyfert galaxies, a few tenths of solar... view more (2001-04-17)

Black holes have simple feeding habits
The biggest black holes may feed just like the smallest ones, according to data from NASA's Chandra X-ray Observatory and ground-based telescopes. This discovery supports the implication of Einstein's relativity theory that black holes of all sizes have similar properties, and will be useful for... view more (2008-06-19)

Climate Models Overheat Antarctica, New Study Finds
Computer analyses of global climate have consistently overstated warming in Antarctica, concludes new research by scientists at the National Center for Atmospheric Research (NCAR) and Ohio State University.   view more (2008-05-08)

IGBP calls for better observation of Earth's "Achilles' heels"
Monitoring the most sensitive "hotspots" of the Earth is an important way of assessing the health of our planet and predicting our future, said IGBP (International Geosphere-Biosphere Programme) scientists speaking at the Earth Observation Summit in Washington last week. The summit was... view more (2003-08-06)

Scientists use meteors to investigate climate change and giant waves at the 'edge of space'
A new research radar based in Antarctica is giving scientists the chance to study the highest layer of the earth's atmosphere at the very edge of space.   view more (2005-05-23)

Jefferson neuroscientists find early lead exposure impedes recovery from brain injury
Exposure to lead can hinder the brain's ability to recover from injury, a recent study in laboratory animals shows. The results have implications for the effects of environmental lead exposure on brain injuries such as stroke, say researchers at Jefferson Medical College, who led the work.   view more (2007-12-04)

Scientists at Low Temperature Laboratory planning to model a black hole
Academy Professor Matti Krusius and Antti Finne, M.Sc. (Eng.), were invited to a recent science breakfast, hosted by the Academy of Finland, to talk about their ongoing work to produce a first-ever laboratory simulation of a black hole. A black hole is created as a result of the most extreme... view more (2003-04-16)

Food-crop yields in future greenhouse-gas conditions lower than expected
Open-air field trials involving five major food crops grown under carbon-dioxide levels projected for the future are harvesting dramatically less bounty than those raised in earlier greenhouse and other enclosed test conditions — and scientists warn that global food supplies could be at risk... view more (2006-06-30)

NASA satellite eyes atmosphere to improve pollution and climate forecasting
Thanks to the latest sophisticated, satellite-based instruments, local and regional air pollution and their sources can now be observed closely from space.   view more (2005-12-09)

Keyhole Surgery For Colorectal Cancer Offers Same Prognosis As Conventional Surgery (p 1187)
Laparoscopy ('keyhole surgery') for colorectal cancer could be the future treatment of choice after results of a study from Hong Kong in this week's issue of THE LANCET show how it is associated with a similar 5-year survival outcome and more favourable recovery time than conventional surgery.... view more (2004-04-07)

Scientists find black hole's 'point of no return'
Scientists have found new evidence that black holes are performing the disappearing acts for which they are known.   view more (2006-01-11)

NASA's Chandra Finds Evidence for Quasar Ignition
New data from NASA's Chandra X-ray Observatory may provide clues to how quasars "turn on."   view more (2006-03-24)

Ethanol vehicles pose a significant risk to human health, study finds
Ethanol is widely touted as an eco-friendly, clean-burning fuel. But if every vehicle in the United States ran on fuel made primarily from ethanol instead of pure gasoline, the number of respiratory-related deaths and hospitalizations would likely increase.   view more (2007-04-18)
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