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AGU Journal highlights -- Oct. 26, 2009

The following highlights summarize research papers that have been published or accepted for publication (paper in press) in Geophysical Research Letters (GRL).

Blue light-filtering increases macular pigment, may protect against age-related vision loss

Waterford City, Ireland, October 26, 2009 -- Results of an important new study show that implantation of blue light-filtering intraocular lens (IOLs) at the time of cataract surgery increases a nu

What Is Life?

October 23, 2009 by Ayad

Ayad's picture

WHAT IS LIFE?

Ayad Gharbawi

This seems to be a simple enough question: what exactly constitutes the definition of ‘life’?
Let us begin, at the beginning – as they say.

Boys with urogenital birth defects are 33 percent more common in villages sprayed with DDT

Women who lived in villages sprayed with DDT to reduce malaria gave birth to 33 per cent more baby boys with urogenital birth defects (UGBD) between 2004 and 2006 than women in unsprayed villages, according to research published online by the UK-based urology journal BJUI.

Berkeley researchers find new route to nano self-assembly

BERKELEY, CA -- If the promise of nanotechnology is to be fulfilled, nanoparticles will have to be able to make something of themselves. An important advance towards this goal has been achieved by researchers with the U.S.

Sensing disasters from space

One small step for mankind is now a leap for averting natural and man-made disasters on earth.

Synthetic cells shed biological insights while delivering battery power

Trying to understand the complex workings of a biological cell by teasing out the function of every molecule within it is a daunting task. But by making synthetic cells that include just a few chemical processes, researchers can study cellular machinery one manageable piece at a time.

The white stuff: Marine lab team seeks to understand coral bleaching

With technology similar to that used by physicians to perform magnetic resonance imaging (MRI) scans, researchers from six institutions -- including the National Institute of Standards and Technology (NIST) -- working at the Hollings Marine Laboratory (HML) in Charleston, S.C., are studying the metabolic activity of a pathogen shown to cause coral bleaching, a serious threat to undersea reef ec

New artificial enzyme safer for nature

Perilous and polluting industrial processes can be made safer with enzymes. But only a short range of enzymes have been available for the chemical industry.

Recently a group of researchers at The Department of Chemistry at University of Copenhagen succeeded in producing an artificial enzyme that points the way to enzymes tailor-made for any application.

Despite claims, UK did not gas Iraqis in the 1920s, new research finds

It has passed as fact among historians, journalists and politicians, and has been recounted everywhere from tourist guidebooks to the floor of the U.S. Congress: British forces used chemical weapons on Iraqis just after World War I.

Harvard scientists bend nanowires into 2-D and 3-D structures

CAMBRIDGE, Mass., Oct. 21, 2009 -- Taking nanomaterials to a new level of structural complexity, scientists have determined how to introduce kinks into arrow-straight nanowires, transforming them into zigzagging two- and three-dimensional structures with correspondingly advanced functions.

Studies improve knowledge of underlying brain changes caused by addiction

CHICAGO -- New research using animal models is enabling a deeper understanding of the neurobiology of compulsive drug addiction in humans -- knowledge that may lead to more effective treatment options to weaken the powerful cravings that cause people to relapse.

Growing cartilage from stem cells

Damaged knee joints might one day be repaired with cartilage grown from stem cells in a laboratory, based on research by Professor Kyriacos Athanasiou, chair of the UC Davis Department of Biomedical Engineering and his colleagues.

Fetal study highlights impact of stress on male fertility

Exposure to a combination of excess stress hormones and chemicals while in the womb could affect a man's fertility in later life, a study suggests.



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