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LOS ANGELES, April 1 (Xinhua) -- A NASA Gulfstream-III aircraft equipped with a synthetic aperture radar is scheduled to depart Sunday, April 3 on a nine-day mission to image Hawaii volcanoes, the Jet Propulsion Laboratory (JPL) announced on Friday.The aircraft will fly from the Dryden Aircraft Operations Facility in Palmdale, California to the Big Island of Hawaii to study the Kilauea volcano that recently erupted, said JPL in Pasadena, Los Angeles.The mission will help scientists better understand processes occurring under Earth's surface, JPL said.Developed by JPL, the Uninhabited Aerial Vehicle Synthetic Aperture Radar, or UAVSAR, uses a technique called interferometric synthetic aperture radar that sends pulses of microwave energy from the aircraft to the ground to detect and measure very subtle deformations in Earth's surface, such as those caused by earthquakes, volcanoes, landslides and glacier movements.As the Gulfstream-III flies at an altitude of about 12,500 meters, the radar, located in a pod under the aircraft's belly, will collect data over Kilauea, according to JPL.The UAVSAR's first data acquisitions over this volcanic region took place in January 2010, when the radar flew over the volcano daily for a week. The UAVSAR detected deflation of Kilauea's caldera over one day, part of a series of deflation-inflation events observed at Kilauea as magma is pumped into the volcano's east rift zone.This month's flights will repeat the 2010 flight paths to an accuracy of within 5 meters, or about 16.5 feet, assisted by a Platform Precision Autopilot designed by engineers at NASA's Dryden Flight Research Center on Edwards Air Force Base, California, JPL said.By comparing these camera-like images, interferograms are formed that reveal changes in Earth's surface, said JPL.Between March 5 and 11, 2011, a spectacular fissure eruption occurred along the east rift zone. Satellite radar imagery captured the progression of this volcanic event."The April 2011 UAVSAR flights will capture the March 2011 fissure eruption surface displacements at high resolution and from multiple viewing directions, giving us an improved resolution of the magma injected into the east rift zone that caused the eruption," said JPL research scientist Paul Lundgren."Our goal is to be able to deploy the UAVSAR on short notice to better understand and aid in responding to hazards from Kilauea and other volcanoes in the Pacific region covered by this study," Lundgren added.

LOS ANGELES, April 14 (Xinhua) -- Customer complaints of an "uncharacteristic odor" prompted Johnson & Johnson to recall about 57,000 bottles of the prescription anti-seizure drug, Johnson & Johnson announced on Thursday.The recall affects two lots of the Topamax 100 mg tablets made by the company's Ortho-McNeil Neurologics division, Johnson & Johnson said.The drug was shipped and distributed between Oct. 19, 2010 and Dec. 28, 2010 in the United States and Puerto Rico.There were four consumer complaints about an odor believed to be caused by trace amounts of the chemical TBA (2,4,6 tribromoanisole), which is applied to wooden pallets used to transport and store packaging materials, Johnson & Johnson said.The recall is not expected to lead to a product shortage at the market, Ortho-McNeil Neurologics said.Similar complaints of a moldy, musty odor have led to the recalls of millions of bottles of Tylenol, Motrin and Benadryl products earlier.Last month, the U.S. government said it was taking over three Tylenol plants operated by McNeil, and the Food and Drug Administration launched a criminal investigation into safety issues at the factories, CNN reported.

LIMA, May 5 (Xinhua) -- A total of 53.5 million people in Latin America and the Caribbean suffer from hunger or malnutrition, experts said at an international forum here Thursday.Juan Garcia, coordinator of the 5th work-group meeting of the Latin American and Caribbean Initiative Without Hunger, said the figure has not increased since 1990.Experts and officials from 13 countries gathered to discuss the challenges facing regional food security and advances that have been made, hoping to make cooperative efforts to eradicate hunger and malnutrition by the year 2025.Carcia said people affected most across the continent are still those living in rural areas as well as African descendants and indigenous people who suffer from "exclusion and inequality."The main cause of undernutrition is not lack of food-production capacity, but access to food, Carcia said.Six countries, Brazil, Ecuador, Venezuela, Guatemala, Honduras and Nicaragua, have approved food security laws with nine more in the process of doing so. The laws are considered as a way to ensure that local agricultural products are primarily used to feed the countries' own populations and not used for export.

SAN FRANCISCO, April 28 (Xinhua) -- Microsoft Corp. on Thursday posted quarterly revenue and earnings that both beat analysts' expectations.In its fiscal 2011 third quarter ended on March 31, the software giant reported revenue of 16.43 billion U.S. dollars, up 13 percent from the same period a year earlier.Net income and earnings per share were 5.23 billion dollars and 61 cents, representing increases of 31 percent and 36 percent respectively year-on-year.Analysts had expected earnings of 56 cents per share on revenue of 16.19 billion dollars, according to Thomson Reuters."We delivered strong financial results despite a mixed PC environment, which demonstrates the strength and breadth of our businesses," Peter Klein, chief financial officer at Microsoft, said in a statement."Consumers are purchasing Office 2010, Xbox and Kinect at tremendous rates, and businesses of all sizes are purchasing Microsoft platforms and applications," he added.Revenue at four of Microsoft's five major divisions posted double-digit growth in the quarter, indicating the increase of technology spending by enterprises as well as strong demand for the company's entertainment products.The entertainment and devices division saw the biggest revenue growth of 60 percent, which according to Microsoft, were driven by strong demand for its Kinect hands-free motion control system for Xbox 360 and continued strong sales of Xbox 360 console.However, revenue for the division of the company's flagship Windows operating system dropped 4 percent in the quarter, which Microsoft said was "in line with the PC trends."The performance of the Windows division may fuel new concerns that Microsoft's dominance in software for PCs is being threatened by Apple's iPad and tablet computers running other operating systems, some analysts noted.

LOS ANGELES, May 15 (Xinhua) -- Using a simple, minimally- invasive technique to analyze cells from the interior of the nose, U.S. researchers have detected lung cancer in its earliest stage.For the study, the researchers at the Boston University Medical Center collected nasal epithelial cells from thirty three smokers who were undergoing medically-indicated bronchoscopies for suspicion of lung cancer, according to the American Association for the Advancement of Science (AAAS) on Sunday.Of these patients, 11 were found to have benign disease and 22 had lung cancer. Brushings were taken from the right or left nostril and profiled on microarrays, a process that allows researchers to study gene expression changes.The researchers identified 170 genes that were differentially expressed between patients with and without lung cancer. They also found that genes linked to colon cancer and adenocarcinoma, as well as genes that trigger cell division and blood vessel growth, were expressed more heavily in patients with cancer. Genes involved in tumor suppression were also expressed at lower levels in these patients.Earlier studies have used gene expression differences in the bronchial airways to identify lung cancer in its early stages. The researchers relied on those results to design the current study."In this study we used the same principle as we used in our earlier studies of bronchial tissue, only this time, those methods were used to study nasal cells," said study author Christina Anderlind, MD, Instructor of Medicine. "Our hypothesis was that the upper airway epithelium of smokers with lung cancer displays a cancer-specific gene expression pattern, and that this airway nasal gene expression signature reflects the changes that occur in lung tissue."