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Iron Fertilisation Of The Ocean Raises The Food Supply Of Marine Animals And Transports Carbon Dioxide To The Deep Ocean
An international team of scientists that recently carried out an experiment in the South Atlantic on board RV „Polarstern" of the Alfred Wegener Institute for Polar and Marine Research has found that an algal bloom induced by iron fertilisation transported carbon dioxide to the deep ocean. The bloom also stimulated growth of zooplankton... view more... (2004-04-05)
Researchers collaborate to find new vaccine technology decreases E. coli in beef cattle
Despite millions of dollars spent on food safety research over the last 10 years, ground beef recalls due to E. coli O157:H7 were higher in 2007 than in 2006, according to researchers from Kansas State University and West Texas A&M University. E. coli O157:H7 has been linked to foodborne illnesses in humans after consuming contaminated beef... view more... (2008-02-28)
Researchers probe a DNA repair enzyme
U. of I. researchers have taken the first steps toward understanding how an enzyme repairs DNA. Enzymes called helicases play a key role in human health, according to Maria Spies, a University of Illinois biochemistry professor. view more (2008-02-19)
Breakthrough made in assessing marine phytoplankton health
Researchers from Oregon State University, NASA and other organizations said today that they have succeeded for the first time in measuring the physiology of marine phytoplankton through satellite measurements of its fluorescence - an accomplishment that had been elusive for years. view more (2009-05-29)
UCLA develops safer, more effective TB vaccine for HIV-positive people
UCLA scientists engineered a new tuberculosis (TB) vaccine specifically designed for HIV-positive people that was shown to be safer and more potent than the current TB vaccine in preclinical trials. view more (2008-10-24)
Lavas from Hawaiian volcano contain fingerprint of planetary formation
Hikers visiting the Kilauea Iki crater in Hawaii today walk along a mostly flat surface of sparsely vegetated basalt. It looks like parking lot asphalt, but in November and December 1959, it emitted the orange glow of newly erupted lava. view more (2008-06-20)
Discovery could lead to better control of hemorrhagic fever viruses
Researchers report discovering the receptor through which a group of life-threatening hemorrhagic fever viruses enter and attack the body's cells, and show that infection can be inhibited by blocking this receptor. view more (2007-02-08)
Magnetic misfits: South seeking bacteria in the Northern Hemisphere
Magnetotactic bacteria contain chains of magnetic iron minerals that allow them to orient in the earth's magnetic field much like living compass needles. view more (2006-01-23)
Ancient rocks show how young Earth avoided becoming giant snowball
A greenhouse gas that has become the bane of modern society may have saved Earth from completely freezing over early in the planet's history, according to the first detailed laboratory analysis of the world's oldest sedimentary rocks. view more (2007-02-06)
New Treatment Boosts Bone Healing and Re-Growth
A drug originally used to treat iron poisoning can significantly boost the body's own ability to heal and re-grow injured bones, according to researchers at the University of Alabama at Birmingham (UAB). view more (2008-01-10)
University of Toronto archeologists discover temple that sheds light on so-called Dark Age
The discovery of a remarkably well-preserved monumental temple in Turkey -- thought to be constructed during the time of King Solomon in the 10th/9th-centuries BC -- sheds light on the so-called Dark Age. view more (2009-04-16)
Space shuttle Columbia's last flight formed clouds over Antarctica
A burst of mesospheric cloud activity over Antarctica in January 2003 was caused by the exhaust plume of the space shuttle Columbia during its final flight, reports a team of scientists who studied satellite and ground-based data from three different experiments. view more (2005-07-07)
Key nutrients critical for older infants' development
According to Nancy Krebs, M.D., a professor of Pediatrics at the University of Colorado Health Sciences Center and former Chair of the American Academy of Pediatrics (AAP) Committee on Nutrition, it can be difficult to meet the nutritional needs of older infants. view more (2006-04-10)
What Goes On Underneath Your Feet?
It is generally assumed that heat from Earth's core and mantle, due to the low thermal conductivity of the latter, is transferred to the outer part mainly by convection. This implies swirling movement of an immense amount of hot material, which is behind the dynamics of Earth's interior. Understanding the details of this is of great interest since... view more... (2004-07-16)
ASU professor 'follows the elements' to understand evolution in ancient oceans
In the search for life beyond Earth, scientists 'follow the water' to find places that might be hospitable. However, every home gardener knows that plants need more than water, or even sunshine. view more (2008-12-08)
How Iron Gets into the North Pacific
Most oceanographers have assumed that, in the areas of the world's oceans known as High Nutrient, Low Chlorophyll (HNLC) regions, the iron needed to fertilize infrequent plankton blooms comes almost entirely from wind-blown dust. view more (2008-03-20)
All change at the Earth's core
It is hard to know what is going on over 3000 km beneath our feet, but until recently scientists were fairly confident that they understood the way the iron atoms in the Earth's core packed together. view more (2007-08-17)
Researchers find new mechanism governing particle growth in nanocomposites
A research team from the Georgia Institute of Technology and Drexel University has discovered a surprising new mechanism by which polymer materials used in nanocomposites control the growth of particles. view more (2005-09-01)
Nanophysicists find unexpected magnetic effect
Spanish and U.S. physicists studying nanoelectronics have found that size really does matter when it comes to predicting the behavior of electrical contacts that are just one atom wide. view more (2009-04-30)
Researchers examine why food tastes bad to chemotherapy recipients
About two million cancer patients currently receiving certain drug therapies and chemotherapy find foods and beverages to have a foul metallic flavor. view more (2006-09-20)
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