The EDGE: ScienceDaily Environment Headlines -- for Sunday, January 29, 2012

ScienceDaily Environment Headlines

for Sunday, January 29, 2012

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Life discovered on dead hydrothermal vents (January 28, 2012) -- Microbiologists have found that the microbes that thrive on hot fluid methane and sulfur spewed by active hydrothermal vents are supplanted, once the vents go cold, by microbes that feed on the solid iron and sulfur that make up the vents themselves. ... > full story

Space weather center to add world's first 'ensemble forecasting' capability (January 28, 2012) -- Leaner, greener flying machines for the year 2025 are on the drawing boards of three industry teams under contract to the NASA Aeronautics Research Mission Directorate's Environmentally Responsible Aviation Project. ... > full story

Heart of silk: Scientists use silk from the tasar silkworm as a scaffold for heart tissue (January 28, 2012) -- Damaged human heart muscle cannot be regenerated. Scar tissue grows in place of the damaged muscle cells. Scientists are seeking to restore complete cardiac function with the help of artificial cardiac tissue. They have succeeded in loading cardiac muscle cells onto a three-dimensional scaffold, created using the silk produced by a tropical silkworm. ... > full story

Where there's a worm there's a whale: First distribution model of marine parasites provides revealing insights (January 28, 2012) -- Each year around 20,000 people are infected by nematodes of the genus Anisakis and suffer from illnesses ranging from gastrointestinal diseases to serious allergic reactions as a result. For the first time, parasitologists have gathered data on the occurrence of the parasitic worm and have modeled the worldwide distribution of individual species in the ocean. The resulting maps not only enable statements to be made on the occurrence and migration behavior of certain hosts of the parasites, such as Baleen or toothed whales, but also provide conclusions on the risk of human infection. ... > full story

New information for flu fight: Researchers study RNA interference to determine host genes used by influenza for virus replication (January 28, 2012) -- Influenza virus can rapidly evolve from one form to another, complicating the effectiveness of vaccines and anti-viral drugs used to treat it. By first understanding the complex host cell pathways that the flu uses for replication, researchers are finding new strategies for therapies and vaccines, according to a new study. ... > full story

How cholera bacterium gains a foothold in the gut (January 27, 2012) -- Biologists have made an important advance in our understanding of the way cholera attacks the body. The discovery could help scientists target treatments for the globally significant intestinal disease which kills more than 100,000 people every year. ... > full story

Mars-bound instrument detects solar burst's effects: RAD measures radiation from solar storm (January 27, 2012) -- The largest solar particle event since 2005 hit Earth, Mars and the Mars Science Laboratory spacecraft traveling in-between, allowing the onboard Radiation Assessment Detector to measure the radiation a human astronaut could be exposed to en route to the Red Planet. ... > full story

Grape seed extract kills head and neck cancer cells, leaves healthy cells unharmed (January 27, 2012) -- In both cell lines and mouse models, grape seed extract kills head and neck squamous cell carcinoma cells, while leaving healthy cells unharmed, new research shows. ... > full story

New ideas sharpen focus for greener aircraft (January 27, 2012) -- Leaner, greener flying machines for the year 2025 are on the drawing boards of three industry teams under contract to the NASA Aeronautics Research Mission Directorate's Environmentally Responsible Aviation Project. ... > full story

Engineered bacteria effectively target tumors, enabling tumor imaging potential in mice (January 27, 2012) -- Tumor-targeted bioluminescent bacteria have been shown for the first time to provide accurate 3-D images of tumors in mice, further advancing the potential for targeted cancer drug delivery. ... > full story

Can the economy bear what oil prices have in store? (January 27, 2012) -- The economic pain of a flattening oil supply will trump the environment as a reason to curb the use of fossil fuels, say scientists. ... > full story

Research on vitamins could lead to the design of novel drugs to combat malaria (January 27, 2012) -- New research could lead to the design of more effective drugs to combat malaria. The research will enable scientists to learn more about the nature of the enzymes required for vitamin biosynthesis by the malaria causing pathogen Plasmodium. Vitamins are essential nutrients required in small amounts, the lack of which leads to deficiencies. Many pathogenic microorganisms produce vitamins, and these biosynthetic pathways may provide suitable targets for development of new drugs. ... > full story

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