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Diesel cars may promote more global warming than gasoline cars

More auto news. A Stanford researcher has found that although diesel cars obtain 25 to 35 percent better mileage and emit less carbon dioxide than similar gasoline cars, they can emit 25 to 400 times more soot per kilometer. The warming due to soot may more than offset the cooling due to reduced carbon dioxide emissions over several decades. Laws that favor diesel cars over standard gasoline, therefore, may be doing more harm than good.

New technique cuts risks of gene therapy

Stanford researchers have developed a technique that could cut the risks associated with gene therapy. Traditionally, gene therapy involves sneaking a snippet of genes into a person's DNA via a virus messenger. But the result is the new sequence gets randomly placed within the patient's existing genes, sometimes triggering other illnesses, such as leukemia. The new technique eliminates the need for a virus delivery system and places the genes in precise locations.

Researchers to test smallpox vaccine

Researchers in Northern California are conducting a clinical trial that will test whether diluted doses of the smallpox vaccine produce adequate immunity in adults who have previously been vaccinated. The results of the federally funded study, for which volunteers are now being sought, will help shape U.S. policy on how the vaccine would be given in the event of a smallpox outbreak.


See also:

When rashes kill

Facing disfigurement in 2002

Smallpox immunity lasts longer than thought


Scientists Decipher Genetic Code of Malaria Parasite

FROM THE TRENCHES: A consortium of scientists announced that it has deciphered the genetic code of the parasite that causes the deadliest form of Malaria, an illness that kills more than a million people a year in developing nations.



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