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WASHINGTON, Nov. 10 (Xinhua) -- NASA's car-sized Mars rover Curiosity, which will examine one of the most intriguing areas on the Red Planet, is in final preparations for a launch from Florida 's Space Coast at 10:25 a.m. EST (15:25 GMT) on Nov. 25, the U.S. space agency announced on Thursday.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. It is now sitting atop an Atlas V rocket awaiting liftoff from Cape Canaveral Air Force Station."Preparations are on track for launching at our first opportunity," said Pete Theisinger, Mars Science Laboratory project manager at NASA's Jet Propulsion Laboratory. "If weather or other factors prevent launching then, we have more opportunities through Dec. 18."Scheduled to land on the Mars in Aug. 2012, the one-ton rover will examine Gale Crater during a nearly two-year prime mission. Curiosity will land near the base of a layered mountain three miles (five kilometers) high inside the crater. The rover will investigate whether environmental conditions ever have been favorable for development of microbial life and preserved evidence of those conditions.

WASHINGTON, Nov. 22 (Xinhua) -- Long-term coffee consumption may be associated with a reduced risk for endometrial cancer, according to a study published online Tuesday in Cancer Epidemiology, Biomarkers & Prevention, a journal of the American Association for Cancer Research.Edward Giovannucci, professor of nutrition and epidemiology at the Harvard School of Public Health, said that coffee is emerging as a protective agent in cancers that are linked to obesity, estrogen and insulin."Coffee has already been shown to be protective against diabetes due to its effect on insulin," said Giovannucci, a senior researcher on the study. "So we hypothesized that we'd see a reduction in some cancers as well."The researchers observed cumulative coffee intake in relation to endometrial cancer in 67,470 women who enrolled in the Nurses' Health Study. During the course of 26 years of follow-up, researchers documented 672 cases of endometrial cancer.Drinking more than four cups of coffee per day was linked with a 25 percent reduced risk for endometrial cancer. Drinking between two and three cups per day was linked with a seven percent reduced risk.A similar link was seen in decaffeinated coffee, where drinking more than two cups per day was linked with a 22 percent reduced risk for endometrial cancer.Giovannucci said that he hopes this study will lead to further inquiries about the effect of coffee on cancer because in this and similar studies, coffee intake is self-selected and not randomized.

BEIJING, Nov. 26 (Xinhua) -- Joint police patrols along the Mekong River will kick off in mid December to restore security after a deadly attack to Chinese ships in October.Chinese police will start patrols along the river with Laos, Myanmar and Thailand, said a statement from the Ministry of Public Security here Saturday.No exact date was given, but the first joint patrol will be carried out before Dec. 15, said the statement, issued after a ministerial meeting of four countries held in Beijing.Police from the four will work together to restore shipping and guarantee security along the river, the statement said.Shipping on the Mekong River has been suspended since two cargo ships were attacked on Oct. 5, resulting in the murder of 13 Chinese sailors.A headquarters for the initiative will be founded in China and there will be a coordination office in each of the other three countries. They will be linked by a round-the-clock communication mechanism, the statement said.China will assist Laos and Myanmar police in terms of training and equipment, the statement said.Police departments of the four countries will also set up a coordination team to work out more security measures along the Mekong River, it added.

WASHINGTON, Dec. 12 (Xinhua) -- British scientists have discovered a new way to target cancer through manipulating a master switch responsible for cancer cell growth. The findings, published Monday in the U.S. journal Cancer Cell, reveal how cancer cells grow faster by producing their own blood vessels.Cancer cells gain the nutrients they need by producing proteins that make blood vessels grow, helping deliver oxygen and sugars to the tumor. These proteins are vascular growth factors like VEGF -- the target for the anti-cancer drug Avastin. Making these proteins requires the slotting together of different parts of genes, a process called splicing.Scientists at the University of West England and the University of Bristol discovered that mutations in one specific cancer gene can control how splicing is balanced, allowing a master switch in the cell to be turned on. This master switch of splicing makes cancer cells grow faster, and blood vessels to grow more quickly, as they alter how VEGFs are put together.In experimental models, the researchers found that by using new drugs that block this master switch they prevented blood vessel growth and stopped the growth of cancers."The research clearly demonstrates that it may be possible to block tumor growth by targeting and manipulating alternative splicing in patients, adding to the increasingly wide armory of potential anti-cancer therapies," the authors said.

BEIJING, Dec. 30 (Xinhua) -- China will push to properly resolve the case of a Chinese skipper indicted by Japan, the Foreign Ministry said Friday.Spokesman Hong Lei said this is a common fishing case, and the Chinese embassy in Japan has dispatched officials to visit the skipper.China requests that Japan ensure the rights of the Chinese skipper, Hong said, and China is communicating closely with Japan in order to properly resolve the case.The Chinese government has been requiring fishermen to fish legally, Hong said, adding that the competent authorities have done a lot in this area, and he promised to promote the management and education of Chinese fishermen.Japanese prosecutors have indicted the captain of a Chinese fishing boat for illegally operating in Japanese waters, a local official said Friday.The Nagasaki District Public Prosecutors Office has finalized its case against Zhong Jinyin, 39, following his December 20 arrest near islands off southwest Japan, according to the official.The prosecutors have not indicated whether the skipper has admitted to the charge.