Daily non-political popular news in brief.

Tropical soils impede landmine detection

02-06-2008 · EurekAlert!

A recent study published in the Soil Science Society of America Journal analyzed the magnetic properties of soil for a look at how metal detectors could be adapted to be more sensitive for local soil conditions in an effort to search out landmines.

Keywords: tropical, soils, impede, landmine, detection, soil

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Complex carbon picture clearer
12-11-2007 · EurekAlert!
A new study looks at a poorly understood process with potentially critical consequences for climate change. Emma Sayer, postdoctoral fellow at the Smithsonian Tropical Research Institute, Jennifer Powers, an assistant professor in the University of Minnesota's Department of Ecology, Evolution and Behavior, and Edmund Tanner, researcher at Cambridge University, published the findings of their long-term study on the effects of increased plant litter on soil carbon and nutrient cycling in the Dec. 12 edition of PLoS ONE.
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Scientists find stem cell switch
07-26-2007 · EurekAlert!
Scientists have discovered how plant stem cells in roots detect soil structure and whether it is favourable for growth. Poor soil structure is a problem in tropical agriculture, where soil becomes compact as it dries out. Professor Liam Dolan, of the John Innes Centre in Norwich, UK and his team determined that the plant hormone ethylene regulates cell division in root stem cells.
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Recycled garden compost reduces phosphorus in soils
05-31-2007 · EurekAlert!
Broccoli, eggplant, cabbage and capsicum grown with compost made from recycled garden offcuts have produced equivalent yields to those cultivated by conventional farm practice, but without the subsequent build up of phosphorus. NSW Department of Primary Industries scientists have found very high levels of phosphorus and low levels of organic carbon in vegetable growing soils, during a major research project designed to help Sydney Basin vegetable growers significantly improve soil quality and productivity.
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AGU journal highlights -- Aug. 1, 2007
08-01-2007 · EurekAlert!
The following articles are featured in the upcoming issue of the Geophysical Research Letters: "Surface warming and the solar cycle"; "Humans in China 1 million years ago"; "Alternative mechanism for recent Martian volcanism"; "Estimating tropical cyclone numbers in North Atlantic before satellites"; "Satellites detect deformation from Sumatra-Andaman earthquakes"; "Ocean supergyre in southern hemisphere"; "Mechanisms for major climate shifts"; "30,000-year record of sea surface temperatures"; "Aseismic creep in Mexico"; "Saturn’s plasma-depleted flux tubes"; "Soil moisture and remote sensing"; "North Atlantic climate and deep-ocean flow speed"; and "Comparing polar mesosphere summer echoes."
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New evidence of early horse domestication
10-23-2006 · EurekAlert!
Soil from a Copper Age site in northern Kazakhstan has yielded new evidence for domesticated horses up to 5,600 years ago. The discovery, consisting of phosphorus-enriched soils inside what appear to be the remains of horse corrals, matches what would be expected from Earth once enriched by horse manure. The Krasnyi Yar site was inhabited by people of the Botai culture of the Eurasian steppe, who relied heavily on horses for food, tools and transport.
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01-22-2008 · EurekAlert!
Findings from a new study in Zanzibar, published Jan. 23 in PLoS Neglected Tropical Diseases, pave the way for the World Health Organization to recommend the mass co-delivery of three antiparasitic drugs for the first time. The study shows the safety of delivering three drugs simultaneously -- ivermectin, albendazole and praziquantel -- in order to tackle three diseases, elephantiasis, soil-transmitted worms, and schistosomiasis.
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Zanzibar study paves way for mass co-delivery of 3 antiparasitic drugs
01-22-2008 · EurekAlert!
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Earth's soils bear unmistakable footprints of humans
01-25-2008 · EurekAlert!
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Microfossils unravel climate history of tropical Africa
03-23-2007 · EurekAlert!
Scientists from the NIOZ Royal Netherlands Institute for Sea Research obtained for the first time a detailed temperature record for tropical central Africa over the past 25,000 years. The scientists developed an entirely new method to reconstruct the history of land temperatures based on the molecular fossils of soil bacteria. The results have been published in this week's issue of Science.
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Melting snow provides clues for acidification
02-15-2008 · EurekAlert!
Scientists investigate accumulated sulfate and nitrate in New England snow and follow it after the snow melts for clues to acidification of soils. The results of their study are reported in the Soil Science Society of America Journal.
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