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Amphibians as environmental omen disputed
Amphibians, for years considered a leading indicator of environmental degradation, are not uniquely susceptible to pollution, according to a meta-analysis to be published in Ecology Letters. view more (2009-11-12)
Radar teledetection for estimating the superficial humidity of soil
Photographic images captured by radar satellites enable the superficial humidity of agricultural basins to be estimated with great precision, although it is important to have knowledge of the rugosity of the surface. view more (2006-02-03)
How Are Herbicides Discovered?
A new interactive web lesson teaches upper-level undergraduate students and graduate students how herbicides are developed. view more (2008-09-09)
Prairie soil organic matter shown to be resilient under intensive agriculture
A recent study has confirmed that although there was a large reduction of organic carbon and total nitrogen pools when prairies were first cultivated and drained, there has been no consistent pattern in these organic matter pools during the period of synthetic fertilizer use, that is, from 1957-2002. view more (2009-01-16)
Study: Migrant laborers valuable to horticulture industry
Despite tremendous growth in mechanization and technological advances, nursery, greenhouse, and sod production in the U.S. are still extremely labor-intensive. view more (2008-07-21)
Iowa State scientists demonstrate first use of nanotechnology to enter plant cells
A team of Iowa State University plant scientists and materials chemists have successfully used nanotechnology to penetrate plant cell walls and simultaneously deliver a gene and a chemical that triggers its expression with controlled precision. view more (2007-05-17)
Microbes in mud flats clean up oil spill chemicals
Micro-organisms occurring naturally in coastal mudflats have an essential role to play in cleaning up pollution by breaking down petrochemical residues. view more (2009-03-30)
Photoselective film proves effective for controlling height in potted gardenia plants
To grow the high-quality potted plants preferred by consumers, many growers use chemical "regulators" designed to affect plant growth and development. view more (2009-05-04)
Dutch ecologists plea for scientific research to aid risk assessment
A survey among nine prominent Dutch ecologists has identified gaps in knowledge on the potential effects of Bt-crops on food chains and ecosystems. Bt-crops have been modified to express a bacterial gene that codes for a toxin that kills certain groups of insects. The toxin is continuously produced in all plant tissues and target as well as... view more... (2003-08-28)
Contaminants linked to sturgeon decline in Columbia river
White sturgeon populations in the Columbia River may be declining due to the presence of elevated amounts of foreign chemicals including DDT and polychlorinated biphenyls in their bodies. view more (2006-04-07)
NORTH KOREA'S PUBLIC-HEALTH TRAGEDY (p 628)
Former Reuters journalist John Owen-Davies describes the recent decay in North Korea's health-care system in this week's issue of THE LANCET. He comments how the country's economic decline after the break-up of the Soviet Union, and the devastation caused by flooding in 1995, has transformed the health-care system of a nation that was once the... view more... (2001-02-21)
Radioactive waste – no problem for metal-munching bacteria
A harmless soil bacterium, which can survive high-level exposures to gamma radiation, is being developed to clean up land contaminated with radioactive waste, experts heard today (Wednesday 12 September 2001) at the bi-annual meeting of the Society of General Microbiology at the University of East Anglia. US government researcher Dr. Michael Daly... view more... (2001-09-07)
Nitrogen Applied
Combating soil erosion is a primary concern for agricultural producers in the United States, and many have incorporated conservation tillage systems in their effort to maintain a profitable crop output. view more (2008-10-02)
GM Debate Must Not Neglect Developing Countries
Launch of Discussion Paper: the use of genetically modified crops in developing countries There is an ethical obligation to explore the benefits that genetically modified (GM) crops could offer people in developing countries, according to the Nuffield Council on Bioethics. "The possible costs, benefits and risks associated with particular GM... view more... (2003-12-28)
From food scraps to fuel cell
EMBARGOED UNTIL WEDNESDAY 9 OCTOBER 2002 19:00 BST UK CONTACT - Claire Bowles, New Scientist Press Office, London: Tel: +44(0)20 7331 2751 or email claire.bowles@rbi.co.uk SCRAPS of food could soon be helping power your home, thanks to an ultra-cheap bacteria-driven battery. Its developers hope that instead of feeding the dog or making garden... view more... (2002-10-09)
Sex and lifespan linked in worms: a family of sugar-like molecules controls both
A group of scientists who set out to study sex pheromones in a tiny worm found that the same family of pheromones also controls a stage in the worms' life cycle, the long-lived dauer larva. view more (2008-07-24)
Switchable solvents make chemical manufacturing more environmentally-friendly
Researchers from Queen's University and the Georgia Institute of Technology have discovered a new environmentally-friendly way to make chemicals for pharmaceutical and other industries, such as plastics, pesticides, dyes and fragrances. view more (2005-08-26)
Illinois Soil Nitrogen Test Measures Microbial Nitrogen
Contrary to the prevailing view, cereal crops derive the majority of their nitrogen from the soil, not fertilizer. view more (2009-05-12)
Water, air and soil pollution causes 40 percent of deaths worldwide, Cornell research survey finds
About 40 percent of deaths worldwide are caused by water, air and soil pollution, concludes a Cornell researcher. Such environmental degradation, coupled with the growth in world population, are major causes behind the rapid increase in human diseases, which the World Health Organization has recently reported. view more (2007-08-14)
Molecules in glass houses
Trapping biological molecules such as proteins and enzymes or even whole cells in rigid structures make them easier to use for a whole range of industrial and medical applications. But combining fragile biological molecules with tough materials is difficult to do without damaging the molecules and destroying their biological activity. As well as... view more... (2001-08-01)
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