Intermediate Word:  clastic (a) made of fragments  (b) bunched up  (c) thin and threadbare  (d) really upset
Difficult Word:
  impetto -  (a) vivaciously  (b) in secret  (c) aphrodisiac  (d) in a molting stage

SilverCare machine Samsung's cold-water washer draws silver path to U.S. - C/Net  Samsung Electronics, which is gaining U.S. retail display space for its high-tech appliances, on Thursday said it will sell a washing machine that uses silver to kill bacteria in cold water without bleach. The South Korea-based manufacturer said in a statement that its new front-loading washer, which will start selling in the United States this month at a suggested price of up to $1,399, injects tiny silver ions into the tub during the wash and rinse cycles to sanitize clothes. Samsung said that in tests, the cleaning process removed or killed 99.9 percent of odor-causing bacteria, including E. coli. Silver has long been known for its cleaning properties. Research at Washington University School of Medicine in St. Louis has shown that some resistant disease strains cannot develop with silver the way that they will with antibiotics. Water treatment facilities that service hospitals also use silver ions.    
New Lipid Molecule Holds Promise For Gene Therapy - Science Daily  Scientists at the University of California, Santa Barbara have created a new molecule that holds promise in fighting disease via gene therapy. Inherited diseases, as well as many cancers and cardiovascular diseases, may eventually be helped by this approach, which delivers therapeutic genes directly to cells. These genes can correct genetic defects, for example, or help the body's immune system fight cancer cells. For more than two decades, gene delivery has been accomplished by using engineered viruses as a vehicle to get into diseased cells and 70 percent of clinical trials worldwide continue to use this method. But, the viruses used for gene delivery occasionally evoke severe immune responses, so scientists continue to search for non-viral delivery vehicles.    

The Sun's New Exotic Neighbor: A Very Cool Brown Dwarf - Science Daily  Using the European Southern Observatory's Very Lerge Telescope in Chile, an international team of researchers discovered a brown dwarf belonging to the 24th closest stellar system to the Sun. Brown dwarfs are intermediate objects that are neither stars nor planets. This object is the third closest brown dwarf to the Earth yet discovered, and one of the coolest, having a temperature of about 750 degrees Centigrade. It orbits a very small star at about 4.5 times the mean distance between the Earth and the Sun. Its mass is estimated to be somewhere between 9 and 65 times the mass of Jupiter. "This newly found brown dwarf is a valuable object because its distance is well known, allowing us to determine with precision its intrinsic brightness"..     

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