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LOS ANGELES, March 16 (Xinhua) -- The death rate in the United States reached an all-time low in 2009, dropping 2.3 percent from 2008, a newly released report said.This was the 10th straight year of decline, demonstrating that Americans are living longer than ever, according to the report from the U.S. Centers for Disease Control and Prevention's National Center for Health Statistics.The nation saw a drop from 758.7 deaths per 100,000 people in 2008 to 741 per 100,000 people in 2009 when 2,436,682 deaths were reported, said the report published by HealthDay News on Wednesday.However, life expectancy for blacks remained unchanged -- 70.9 years for men and 77.4 years for women. The disparity between whites and blacks is now 4.3 years, representing a 0.2 percent increase from 2008 to 2009, the report found.The report said that deaths fell in 10 of the 15 leading causes of death -- heart disease dropped 3.7 percent, cancer fell 1.1 percent, and stroke declined 4.2 percent.Deaths from Alzheimer's disease, diabetes, chronic lower respiratory diseases and accidents all declined 4.1 percent, according to the report.Deaths from flu and pneumonia fell 4.7 percent, and deaths from septicemia, a bacterial infection, decreased 1.8 percent, the report said.Deaths from homicides fell 6.8 percent, but suicides increased from 35,933 in 2008 to 36,547 in 2009. Other than suicide, which overtook septicemia as the 10th leading cause of death, the ranking of the leading causes of death was unchanged from 2008 to 2009, the report noted.Infant mortality hit a record low in 2009, falling from 6.59 deaths per 1,000 births in 2008 to 6.42, representing a 2.6 percent decrease, according to the report.The report, however, did not give reasons for these trends.Experts think behavioral changes, particularly the decline in smoking, are partly responsible for the improvements.The report's lead author Kenneth Kochanek, a statistician at the center, said this is preliminary data, and the final data, which should be available this summer, may shed some light on the findings.

BEIJING, March 4 (Xinhuanet) -- Well-educated and well-paid single Chinese women were at the forefront of a boom in travel by the country's women in 2010.According to the 2010 Trend Report of Women's Travel, the amount of travel by Chinese women increased by 20 percent last year, with well-educated and well-paid single women becoming the main force in the tourism market.Travel expenditure per capita by women on the Chinese mainland was 4,300 yuan (5) in 2010, and the 20-percent year-on-year rise was much larger than the 9- percent increase for men.Qunar.com, the world's largest online travel search engine in Chinese, released the report. The Beijing-based site was launched in 2005. According to Dai Zheng, vice-president of Qunar.com, women's growing spending power has led to more of them choosing travel as a way to cosset themselves, especially well-educated and well-paid single women, who travel for relaxation and self-improvement.Zhang Jing, 31, who works for a consulting company in Shanghai and earns nearly 20,000 yuan monthly, spent 15,000 yuan on travel last year, including a trip to the Tibet autonomous region in Southwest China and another to Singapore."Travel not only releases work pressure, but also opens up my horizon on the world. I like to see and experience how others live," said Zhang, who plans to visit Thailand in May with two female friends who are both around 30 years of age."Women are active in all of our travel projects. I definitely feel that it's mostly women who are interested in our products," said Zhao Huijin, who works in the booking center of the E-commerce department of China International Travel Service (CITS).Zhao's remarks to China Daily were echoed by the report, which said more than 65 percent of decisions about travel products and travel expenditure were made by women.In addition, women tended to be more demanding of hotels, and preferred to comment and find fault with hotels. On the forum at Qunar.com, women made nearly 70 percent of the comments on hotels.Women's more active participation in travel means that when the industry's decision-makers develop new travel products they take greater note of women's views about travel.In recent years, products targeted at women have appeared, such as women's hotels, certain hotel floors especially reserved for women, and travel themed around shopping, healthcare and relaxation.Le Meridien, a five-star hotel in Xiamen, Fujian province, set up a floor tailored for women customers in July 2010.Adding to the high quality of certain facilities that women care about most, such as excellent sound insulation, the 32 suites on this floor are also equipped with products especially for women, including fresh fruits, low-calorie food, yoga mats, bath salts, facial masks and hangers for silk clothes."These rooms are warmly appreciated by ladies, and we hope to meet women customers' needs both physically and psychologically through appropriate care," said Wang Yan, assistant manager of the hotel's marketing and communication department.The report also revealed that women's choice of destination is strongly influenced by fashion. They enjoy traveling to scenic spots featured in the latest romantic movies and TV dramas.

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.

WASHINGTON, April 11 (Xinhua) -- Taking a statin before having major elective surgery reduces potentially serious kidney complications, according to a study appearing in an upcoming issue of the Journal of the American Society Nephrology.Each year, more than 230 million major elective surgeries are performed around the world. Unfortunately, many patients who undergo major operations develop kidney injury soon after surgery, often due to decreased blood flow to the kidneys and/or the effects of inflammation.Animal studies suggest that the cholesterol-lowering drugs called statins protect the kidneys from such damage, but whether a similar benefit occurs in humans is uncertain. To investigate, Amber Molnar, University of Western Ontario, and colleagues conducted a population-based retrospective study of all older patients who underwent major elective surgery in the province of Ontario, Canada from 1995 to 2008. Surgeries included cardiac, thoracic, vascular, intra-abdominal, and retroperitoneal procedures.A total of 213,347 patients from 211 hospitals underwent major elective surgery, and 4,020 patients (1.9 percent) developed postoperative kidney injury within two weeks of surgery. A total of 1,173 patients (0.5 percent) required dialysis within two weeks of surgery, and 5,974 patients (2.8 percent) died within a month of surgery.Prior to surgery, 67,941 patients (32 percent) were taking a statin. Patients taking a statin were 20 percent less likely to develop kidney injury, need dialysis, and die compared to patients who were not taking a statin. Also, there was evidence of a dose-effect, with patients on higher potency statins having less kidney injury. In addition, statins were beneficial whether they were started greater than 90 days or less than 30 days prior to surgery."Our study suggests that statin use in older persons results in less kidney injury following major elective surgery and reduces the risk of premature death after surgery," said Molnar, adding that the results warrant further investigation with more rigorous studies, but such trials will be difficult to carry out.

BEIJING, March 15 (Xinhuanet) --After one-year effort of developing, Microsoft is going to release its newest web browser Internet Explorer 9 at 9:00 p.m. Pacific time on Monday, according to media reports.The IE 9 will be the first major Web browser to include a do-not-track tool that helps people keep their online habits from being monitored, which makes Google Inc. and Apple Inc. the only big providers of browsers that haven't yet declared their support for a do-no-track system in their products.IE 9 can work on computers running Windows Vista and Windows 7 operating systems, but not compatible with Windows XP.This final release-to-Web version of IE 9 represents the ninth release since the first platform preview of the browser appeared at the MIX 10 Web developer event, said Ryan Gavin, the senior director of Internet Explorer business and marketing. Gavin pointed out that the browser has already made its mark in Microsoft's download history."We're seeing now upwards of two percent share already on Windows 7 for IE 9, even in beta stage. It was the fastest adopted beta ever in Microsoft's history," he said.IE 9 is being launched as part of the South by Southwest event currently taking place in Austin, Texas.