ScienceDaily Environment Headlines
for Sunday, October 23, 2011
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First Ebola-like virus native to Europe discovered (October 22, 2011) -- Researchers have discovered a new Ebola-like virus -- Lloviu virus -- in bats from northern Spain. Lloviu virus is the first known filovirus native to Europe. Filoviruses, which include well-known viruses like Ebola and Marburg, are among the deadliest pathogens in humans and non-human primates, and are generally found in East Africa and the Philippines. The findings thus expand the natural geographical distribution of filoviruses. ... > full story
West Nile virus transmission linked to land use patterns and 'super-spreaders' (October 22, 2011) -- After its initial appearance in New York in 1999, West Nile virus spread across the United States in just a few years and is now well established throughout North and South America. Researchers have found that in most places only a few key species of bird "hosts" and mosquito "vectors" are important in transmission of the virus. ... > full story
Cooling the warming debate: Major new analysis confirms that global warming is real (October 21, 2011) -- Global warming is real, according to a major new study. Despite issues raised by climate change skeptics, the Berkeley Earth Surface Temperature study finds reliable evidence of a rise in the average world land temperature of approximately 1 degree Celsius since the mid-1950s. ... > full story
Biologists describe key mechanism in early embryo development (October 21, 2011) -- Biologists have identified a key mechanism controlling early embryonic development that is critical in determining how structures such as appendages -- arms and legs in humans -- grow in the right place and at the right time. ... > full story
New evidence for the oldest oxygen-breathing life on land (October 21, 2011) -- New research shows the first evidence that oxygen-breathing bacteria occupied and thrived on land 100 million years earlier than previously thought. ... > full story
Can aromatherapy produce harmful indoor air pollutants? (October 21, 2011) -- Spas that offer massage therapy using fragrant essential oils, called aromatherapy, may have elevated levels of potentially harmful indoor air pollutants such as volatile organic compounds (VOCs) and ultrafine particles, according to a new article. ... > full story
Bolivia's jaguars set a record (October 21, 2011) -- In a new camera trap survey in the world's most biologically diverse landscape, researchers have identified more individual jaguars than ever before. ... > full story
Viruses coaxed to form synthetics with microstructures akin to those of corneas, teeth and skin (October 21, 2011) -- Using a simple, single-step process, engineers and scientists have recently developed a technique to direct benign, filamentous viruses called M13 phages to serve as structural building blocks for materials with a wide range of properties. ... > full story
NASA, Japan release improved topographic map of Earth (October 21, 2011) -- NASA and Japan released a significantly improved version of the most complete digital topographic map of Earth on Oct. 17, produced with detailed measurements from NASA's Terra spacecraft. The map, known as a global digital elevation model, was created from images collected by the Japanese Advanced Spaceborne Thermal Emission and Reflection Radiometer, or ASTER, instrument aboard Terra. So-called stereo-pair images are produced by merging two slightly offset two-dimensional images to create the three-dimensional effect of depth. The first version of the map was released by NASA and Japan's Ministry of Economy, Trade and Industry (METI) in June 2009. ... > full story
First North American hunters 1,000 years earlier than previously thought, speared mastodon fossil shows (October 21, 2011) -- A new and astonishing chapter has been added to North American prehistory in regards to the first hunters and their hunt for the now extinct giant mammoth-like creatures -- the mastodons. New research has shown that the hunt for large mammals occurred at least 1,000 years before previously assumed. ... > full story
Human norovirus in groundwater remains infective after two months (October 21, 2011) -- Researchers have discovered that norovirus in groundwater can remain infectious for at least 61 days. ... > full story
Magnetic attraction: Microchip demonstrates concept of 'MRAM for biomolecules' (October 21, 2011) -- Researchers have developed a low-power microchip that uses a combination of microfluidics and magnetic switches to trap and transport magnetic beads. The novel transport chip may have applications in biotechnology and medical diagnostics. ... > full story
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