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WASHINGTON, June 23 (Xinhua) -- NASA's next Mars rover has completed the journey from its California birthplace to Florida in preparation for launch this fall, the U.S. space agency said Thursday in a statement.The Mars Science Laboratory (MSL) rover, also known as Curiosity, arrived Wednesday at NASA's Kennedy Space Center aboard an Air Force C-17 transport plane. It was accompanied by the rocket-powered descent stage that will fly the rover during the final moments before landing on Mars.The rover's aeroshell -- the protective covering for the trip to the Red Planet -- and the cruise stage, which will guide it to Mars, arrived at Kennedy last month. The mission is targeted to launch from Cape Canaveral Air Force Station between Nov. 25 and Dec. 18. The car-size rover will land on Mars in August 2012.The rover and other spacecraft components will undergo more testing before mission staff stack them and fuel the onboard propulsion systems. Curiosity should be enclosed in its aeroshell for the final time in September and delivered to Kennedy's Launch Complex 41 in early November for integration with a United Launch Alliance Atlas V rocket.Curiosity is about twice as long and more than five times as heavy as any previous Mars rover. Its 10 science instruments include two for ingesting and analyzing samples of powdered rock delivered by the rover's robotic arm. During a prime mission lasting one Martian year -- nearly two Earth years -- researchers will use the rover's tools to study whether the landing region has had environmental conditions favorable for supporting microbial life and favorable for preserving clues about whether life existed.

BEIJING, Sept. 6 (Xinhuanet) -- NASA will launch on Thursday twin lunar orbiters built to map the gravity of Earth's moon in unprecedented detail, media reported Tuesday.The twin lunar probes, Graili-A and Graili-B, will blast off from Florida's Cape Canaveral Air Force Station at 8:37 a.m. EDT and at 9:16 a.m. EDT respectively Thursday, according to NASA.The Grail twins will travel three to four months to get to the moon under a slower but more economical plan.Artist concept of GRAIL mission. Grail will fly twin spacecraft in tandem orbits around the moon for several months to measure its gravity field in unprecedented detail.The two spacecrafts will reach the moon around New Year's Day when they will begin to probe the moon's composition from the crust to the core, according to NASA.The data collected by the probes will be used to better understand the moon's evolution and formation, NASA scientists said.Researchers will also use the twin probes to pinpoint the best landing sites for future explorations.The mission, from start to finish, costs 496 million U.S. dollars. The two Grail probes will crash into the moon after its mission.

LOS ANGELES, July 19 (Xinhua) -- Obesity prevalence was 30 percent or higher in 12 states of the United States last year, compared to nine states in 2009, the Centers for Disease Control and Prevention (CDC) said on Tuesday.In 2000, no states in the country had obesity rates that high, and now obesity is a problem in all 50 states, the agency said in a report based on telephone interviews with 400,000 people.Obesity rates vary by region, led by the South at 29.4 percent, followed by the Midwest at 28.7 percent, the Northeast at 24.9 percent, and the West at 24.1 percent, the report said.Mississippi had the nation's highest obesity prevalence at 34 percent, and Colorado the lowest at 21 percent, according to the report.Alabama, Arkansas, Kentucky, Louisiana, Michigan, Mississippi, Missouri, Oklahoma, South Carolina, Tennessee, Texas, and West Virginia all had obesity rates of 30 percent or higher in 2010, said the report.No state met the federal Healthy People 2010 goal of a 15 percent obesity rate. In fact, no state had a rate lower than 20 percent, the CDC said.Obesity rates have kept rising despite a steady drumbeat of warnings that obesity causes serious health problems and increases the risk of premature death, CDC officials said.An adult is considered obese if he or she has a body mass index (BMI) of 30 or greater.

BEIJING, Sept. 6 (Xinhuanet) -- A short-term memory loss may suggest the Alzheimer's disease, according to a new study made by Spanish researchers.The finding was published on Monday, in Archives of General Psychiatry, an American Medical Association journal.The researchers gathered data of 116 people with mild cognitive impairment (MCI) who developed Alzheimer's disease within two years, 204 patients with the condition who didn't develop Alzheimer's and 197 people with no cognitive problems.Mild cognitive impairment is usually marked by difficulties with short-term memory, such as losing your train of thought repeatedly or having trouble remembering what you did yesterday, according to the study.After assessing them by biomarker tests and cognitive measures, the researcher found the cognitive markers can forecast the variance."Remarkably, they accounted for nearly 50% of the predictive variance," said Dr. Gomar of Centro de Investigation Biomedica en Red de Salud Mental, Barcelona, who led the research.Mild cognitive impairment at the start of the study was a stronger predictor of Alzheimer's than most biomarkers, the researchers concluded.

NANCHANG, Aug. 12 (Xinhua) -- Seventy-seven people were hospitalized after eating lobsters in a city in east China's Jiangxi Province, local authorities said Friday.The residents of the city of Ruichang suffered vomiting and diarrhea after attending a lobster feast Thursday night. The hospitalized residents are all in stable condition.It is believed that the diners might have been sickened by E. coli contamination, according to doctors at the Ruichang People's Hospital.Local authorities are continuing to investigate the case. Citizens suffering from diarrhoea or vomiting receive medical treatment in a hospital in Ruichang City, east China's Jiangxi Province, Aug. 12, 2011

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