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LOS ANGELES, April 10 (Xinhua) -- Drinking green tea and practicing Taichi may promote bone health of postmenopausal women and reduce the risk of inflammation, a new study suggests.The study, conducted by researchers at the Laura W. Bush Institute for Women's Health at the Texas Tech University Health Sciences Center, focused on postmenopausal women and investigated the potential for green tea to work synergistically with Taichi in enhancing bone strength of postmenopausal women.Originating as a martial art in China, Taichi is a mind-body exercise that utilizes slow, gentle movements to build strength and flexibility, as well as deep breathing and relaxation, to move qi, or vital energy, throughout the body.The study findings were published Sunday at EurekAlert.org, the website of the American Association for the Advancement of Science (AAAS).Carried out as a double-blind, placebo-controlled, intervention trial (the "holy grail" of scientific studies), this experiment involved 171 postmenopausal women with the average age of 57 who had weak bones but not full-fledged osteoporosis. Subjects were divided into 4 groups -- placebo: starch pill (placebo) and no Taichi; GTP or green tea polyphenols (500 mg/day) and no Taichi; Placebo plus Taichi (starch pill and practising Taichi three times a week); and GTP plus Taichi.The study lasted for 6 months, during which blood and urine samples were collected and muscle strength assessed.The results show that consumption of GTP (at a level equivalent to about four-six cups of steeped green tea daily) and participation in Taichi independently enhanced markers of bone health by three and six months, respectively. A similar effect was found for muscle strength at the 6-month time point. Participants taking Taichi classes also reported significant beneficial effects in quality of life in terms of improving their emotional and mental health.Perhaps most remarkable, however, was the substantial effect that both GTP and Taichi had on biological markers of oxidative stress. Because oxidative stress is a main precursor to inflammation, this finding suggests that green tea and Taichi may help reduce the underlying etiology of not only osteoporosis, but other inflammatory diseases as well.In the study, the researchers developed an animal model (the ovariectomized, middle-aged female rat), with which they could effectively study the effects of green tea consumption on protection against breakdown of the bone's microarchitecture, according to the AAAS.In humans, this can lead to osteoporosis, a condition common to older women. The researchers say what they have learned from the animal models might also be applicable to postmenopausal women.There is a "favorable effect of modest green tea consumption on bone remodeling in this pre-osteoporotic population," said lead researcher Dr. Chwan-Li (Leslie) Shen, an associate professor at the institute.The researchers plan to soon complete a more long-term study utilizing more technically savvy measures of bone density, according to the AAAS.

SAN FRANCISCO, May 25 (Xinhua) -- Micro-blogging service Twitter on Wednesday confirmed that it has bought TweetDeck, a London-based startup that develops application to help people organize information posted on Twitter."Today, we're pleased to announce that the TweetDeck team has joined Twitter," Dick Costolo, Twitter's chief executive officer (CEO), said in a blog post."This acquisition is an important step forward for us. TweetDeck provides brands, publishers, marketers and others with a powerful platform to track all the real-time conversations they care about," he added.Founded in 2008, TweetDeck now has a team of 15 and offers a real-time application that allows users to monitor abundance of information from social media services including Twitter in a single concise view."Change may well be inevitable, but we remain the same team, staying in London, with the same focus and products, and now with the support and resources to allow us to grow and take on even bigger challenges," Iain Dodsworth, founder and CEO of TweetDeck, noted in a separate blog post.The deal is a defensive move for Twitter aimed at preventing TweetDeck from being purchased by rivals, some analysts said.Financial terms of the transaction were not disclosed, but technology blog site TechCrunch and other U.S. media reported that Twitter paid 40 million to 50 million U.S. dollars.

MOSCOW, April 22 (Xinhua) -- The Russian Space Forces has re-established contact with a military satellite, Geo-IK-2, which went missing in February, local media reported Friday.According to a spokesman from the Defense Ministry, Interfax news agency said the Space Forces had already received telemetric information from the satellite and collection and analysis of the data were currently underway.After studying the information, the Defense Ministry would make a decision regarding the further use of the satellite, the spokesman said.A Rokot light-class carrier rocket carrying with the Geo-IK-2 satellite blasted off Feb. 1 from Russia's Plesetsk launching site, but placed the satellite in an incorrect orbit. After the launch, the Defense Ministry announced it had lost contact with the Geo-IK-2 and later abandoned the satellite.The Russian Space Forces then grounded launches of all Rokot light-class carrier rockets until the completion of an investigation into the failed launch.

NAIROBI, Jan. 28 (Xinhua) -- Although exact details surrounding the situation are not known at this time, there are indications that the fishing vessel TAI JUAN 227 from China's Taiwan has been released from pirate control, the EU anti piracy mission said on Friday.The vessel, which had a crew of 28 at the time of the attack, was pirated on May 6, 2010 while operating 700 Nm North East of Seychelles.EU Naval Force spokesman Paddy O'Kennedy said in a statement that although direct contact with the crew has not been possible, the vessel's owners apparently received a call from the master stating that they had been released but that they did not know why.According to the EU naval force, the crew were provided with fresh food and water by a U.S. warship after the release. The vessel is currently heading away from Somalia.The naval spokesman also said that there is confusion surrounding the details of the release as, until three days ago, the FV TAI YUAN 227 was suspected as being used as a pirate mothership.The Gulf of Aden, a body of water between Somalia and Yemen, is the main sea route between Europe and Asia.Tankers carrying Middle East oil through the Suez Canal must pass first through the Gulf of Aden. Pirate gangs operating along Somalia's coastline have become increasingly audacious over the past two years, hijacking dozens of merchant ships and their crews to earn ransoms that can top 1 million U.S. dollars per ship.So far the fledgling Somali government has not dared go after the pirate strongholds, since pirate leaders have more power than the beleaguered government.

BEIJING, Feb. 10 (Xinhua) -- More than 9,300 kidnapped children in China have been rescued since April 2009 since a nationwide campaign was launched to crack down on human trafficking, according to the Ministry of Public Security Thursday.In a statement, the ministry encouraged the involvement of civilians in providing clues to help the police rescue minors -- especially those being abused and forced to beg on the streets.In less than three weeks, a Chinese microblog called "Street Photos to Rescue Child Beggars" attracted 175,000 followers and posted more than 2,500 images of begging children online for parents to identify.The blog was set up last month by a professor with the Rural Development Institute of the Beijing-based China Academy of Social Sciences. It has helped rescue six children so far.However, the ministry noted in the statement that children kidnapped to become beggars took up only a small portion of all cases of child beggars. In most cases, children were taken to beg along with their parents or relatives.The ministry has urged police authorities across the country to closely cooperate with civil affairs, urban management and health departments in apprehending people who force children to become beggars.