News tagged with resistivity
Larger refuges needed to sustain success of transgenic corn
Transgenic crops that produce insect-killing proteins from the bacterium Bacillus thuringiensis (Bt) have reduced reliance on insecticide sprays since 1996. Yet, just as insects become resistant to conventional insecticides, they a ...
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Teenager reportedly finds solution to 350 year old math and physics problem
(Phys.org) -- In Isaac Newton's Principia Mathematica published in 1687, the man many consider the most brilliant mathematician of all time used a mathematical formula to describe the path taken by an obj ...
May 29, 2012 |
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Tomato genome fully sequenced
For the first time, the genome of the tomato, Solanum lycopersicum, has been decoded, and it becomes an important step toward improving yield, nutrition, disease resistance, taste and color of the tomato and ...
May 30, 2012 |
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Ultrafast laser helps to better understand high-temperature superconductors
Superconductivity, in which electric current flows without resistance, promises huge energy savings – from low-voltage electric grids with no transmission losses, superefficient motors and generators, ...
May 31, 2012 |
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Scientists map and sequence genome of switchgrass relative foxtail millet
A newly published genetic sequence and map of foxtail millet, a close relative of switchgrass and an important food crop in Asia, is giving scientists working to increase biofuel and crop yields a powerful new tool.
Jun 01, 2012 |
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Light-induced delivery of nitric oxide eradicates drug-resistant bacteria
Researchers at the University of California, Santa Cruz, have developed a novel approach for eradicating drug-resistant bacteria from wounds and skin infections, using light to trigger the controlled release of nitric oxide. ...
May 30, 2012 |
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DNA discovery key to drought resistant crops
(Phys.org) -- Scientists have pinpointed the ‘stay green' DNA in barley in new research that may help farmers to grow better crops in areas of drought, heat and salinity.
May 31, 2012 |
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High-tech tools may help small grains breeders 'see' valuable plant traits faster
Two tools from industry are being applied to the small grains breeding program by a Texas AgriLife Research team to help identify valuable drought-resistance traits in wheat faster and less intrusively than ...
Jun 01, 2012 |
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Medical treatments from 200 miles up
In the hunt for cancer treatments, researchers have had some help from higher authorities -- way higher. The International Space Station, orbiting the Earth at more than 200 miles in the sky, houses scientific ...
Space & Earth / Space Exploration
May 28, 2012 |
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How one strain of MRSA becomes resistant to last-line antibiotic
Researchers have uncovered what makes one particular strain of methicillin-resistant Staphylococcus aureus (MRSA) so proficient at picking up resistance genes, such as the one that makes it resistant to vancomycin, the last ...
May 22, 2012 |
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Honoring the fundamental role of microbes in the natural history of our planet
Inspired by a 2009 colloquium on microbial evolution convened at the Galapagos Islands, a new book from ASM Press, Microbes and Evolution: The World That Darwin Never Saw celebrates Charles Darwin and his landmark publication ...
May 30, 2012 |
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Banned antibiotics in Asian fish imports: Australia
Australian officials are seeing a rising number of Asian fish imports containing banned antibiotics, a report said Wednesday.
May 30, 2012 |
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Noxious nanotech: Water-borne nanomaterials promote multidrug-resistance gene transfer
(PhysOrg.com) -- The arms race between effective antibiotic prophylaxis and closely related strains or species of bacteria is continually escalating. Bacteria can quickly develop genetic resistance to a range ...
Nanotechnology / Bio & Medicine
Mar 30, 2012 |
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Japanese researchers using particle accelerator to breed salt resistant rice
(Phys.org) -- Japanese researchers at the Riken Nishina Centre for Accelerator-Based Science have been using their particle accelerator to cause mutations in rice for over two decades with the aim of breeding ...
May 11, 2012 |
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Physicists surprised by disappearing and reappearing superconductivity in iron selenium chalcogenides
(PhysOrg.com) -- Superconductivity is a rare physical state in which matter is able to conduct electricity -- maintain a flow of electrons -- without any resistance. This phenomenon can only be found in certain ...
Feb 22, 2012 |
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