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BEIJING, Dec. 4 (Xinhua) - Orthopaedic experts have warned that China should improve its prevention of orthopaedic illnesses as its population ages.Osteoporosis, bone fractures and joint diseases, to which elderly people are particularly susceptible, have surged as serious health concerns, said Feng Huicheng, surgeon-in-chief of a leading Chinese orthopaedics hospital, at the Sixth International Congress of the Chinese Orthopaedic Association (COA) Sunday in Beijing.According to China's latest census in 2010, the number of people aged 60 and over stood at 177.65 million and accounted for more than 13 percent of the country's total 1.3 billion population."Orthopaedic diseases pose a great threat to the elderly, and they'll only grow more serious as we have a large population that is aging," said Dr. Feng from the No. 309 Hospital of the People's Liberation Army."The younger generation should start to be concerned with their health now, particularly calcium loss, to prevent osteoporosis when getting old.".A report issued by the International Osteoporosis Foundation this year shows that about 70 million people in China now suffer from the condition and that number may leap to 286 million by 2020.H.K.T.Raza, president of the Asia Pacific Orthopaedic Association, said at the conference that the prevention of osteoporosis should begin when people are still young."Osteoporosis is best prevented by regular exercises and good dietary controls. All that has to be done early in life, maybe between 20 and 30, to prevent the disease," he said.According to the World Health Organization, osteoporosis remains one of the primary threats to the health of the middle-aged and elderly.Osteoporosis is the thinning of bone tissue and loss of bone density over time. Parts of the bone grow weak and prone to fracture. Women are usually subject to greater risk of osteoporosis than men as they start with lower bone density and lose bone mass faster as they age. 

WASHINGTON, Nov. 21 (Xinhua) -- The launch of the Mars Science Laboratory, which contains the car-sized Curiosity rover, has been delayed by a day to Nov. 26, the U.S. National Aeronautics and Space Administration (NASA) announced Monday.The delay will "allow time for the team to remove and replace a flight termination system battery," NASA said in a statement.The launch is now scheduled for 10:02 a.m. (1502 GMT) on Saturday from Cape Canaveral Air Force Station, Florida. The launch window remains open for one hour and 43 minutes.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.Scheduled to land on the Mars in August 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.

SAN FRANCISCO, Dec. 9 (Xinhua) -- Hewlett-Packard (HP) on Friday announced that it is keeping the webOS software alive by contributing it to the open source community.The company said it will make the underlying code of webOS available under an open source license and will engage the open source community to help define the charter of the open source project."WebOS is the only platform designed from the ground up to be mobile, cloud-connected and scalable," Meg Whitman, HP's chief executive officer, said in a statement."By contributing this innovation, HP unleashes the creativity of the open source community to advance a new generation of applications and devices," she added.HP said it will remain active in the development and support of webOS, while the source code will be available for use and improvement by anyone choosing to download it, which means other hardware manufacturers can also use the software.With the help of the open source community, HP can save development and other costs and the new announcement is expected to result in more layoffs from its webOS team, some analysts noted.The webOS is a mobile operating system initially developed by Palm which was acquired by HP last April for 1.2 billion U.S. dollars.In February this year, HP released TouchPad, its first tablet computer which runs the webOS operating system. The device didn't sell well, and HP in August decided to completely shut down webOS hardware business, including TouchPad and webOS phones.HP then said that it will continue to explore options to optimize the value of webOS software going forward.By keeping the software open source, users of webOS devices will continue to receive software improvements and updates in the future, HP noted."As webOS gains traction as an open source alternative in the marketplace, you could see webOS on several different types of devices by any number of vendors. We will explore the viability of putting webOS on devices, just as we do for other leading operating systems," the company said in a corporate blog post.

BEIJING, Sept. 30 (Xinhuanet) -- China's space dream took a step closer to reality as the Tiangong-1 module blasted off into the night sky on Thursday from the Gobi Desert.The Long March II-F T1 rocket, under the unmanned module, Tiangong-1, lifted off from the Jiuquan Satellite Launch Center at 9:16 pm as planned.Ten minutes later Tiangong-1 separated from the rocket on its way to orbit, 350 kilometers above Earth. The module deployed its two solar panels, which provide power, at 9:28 pm.At 9:39 pm, Chang Wanquan, chief commander of the manned space program, declared the launch a success as cheers and applause echoed around the command and control center in Beijing.President Hu Jintao and other members of the Standing Committee of the Political Bureau of the Communist Party of China Central Committee went to the center to witness the launch.Premier Wen Jiabao watched at the Jiuquan Satellite Launch Center as the Long March rocket, carrying the space lab, blazed into the night sky.The launch paves the way for China's first rendezvous and docking mission. An unmanned Shenzhou VIII spaceship will be launched in November to dock with Tiangong-1.Two more missions are scheduled for next year and astronauts will board Tiangong-1, which can also function as a space lab.If the mission succeeds, China will become the third country to master spacecraft rendezvous and docking technology following the then Soviet Union and the United States, experts said.Wu Ping, the space program's spokeswoman, said that the ability to rendezvous and dock is vital for building a space station, which China has scheduled for around 2020."A space station cannot be launched in one shot. The modules must be launched separately and then assembled in space," she said.China has invested 35 billion yuan (.47 billion) in total on its manned space program since 1992, when it was approved, she told China Daily.The first phase, from 1992 to 2005, accounted for 20 billion yuan. During this period, China launched six Shenzhou spaceships to set up a system transporting astronauts between Earth and space.In the second phase, from 2005, 15 billion yuan has been spent on projects, including Shenzhou VII and the first rendezvous and docking mission, she explained.Zhou Jianping, chief designer of China's manned space program, said that the space lab and future space station provide a rare platform for conducting experiments that could lead to breakthroughs in the study of materials and biological pharmacy."Experiments made in the microgravity of space can lead to unexpected results," he said.For example, gas and liquid are unable to mix on Earth, but in space they mix naturally, he said."The primary purpose of China's manned space station is to peacefully explore space, and through it, serve mankind," he said.Some have questioned the participation of the military in the program. However, the military has experience in coordinating large-scale requirements that are vital for the program and their involvement reflects international norms, Ministry of National Defense spokesman Geng Yansheng said on Wednesday.He reiterated that China is firmly opposed to the weaponization of space and the program is peaceful.China is now in the second phase of its manned space program. The goal of the program, which has three steps, is to build a 60-ton space station around 2020.The second phase focuses on mastering four key technologies for assembling a space station.The first of these, extravehicular activity, was completed successfully in 2008 after Shenzhou VII was launched.Rendezvous and docking is what is being experimented with. The third technology involves cargo spaceships ferrying supplies to a space lab. The fourth tackles problems concerning the prolonged sustaining of life on a space lab, especially recycling air and water.Besides the manned space program, China launched two lunar orbiters in 2007 and 2010. It plans an unmanned lunar landing around 2013, and returning moon samples in 2017.

BEIJING, Jan. 1 (Xinhua) -- Chinese President Hu Jintao and his South Korean counterpart Lee Myung-bak exchanged new year greetings Sunday and announced the start of the "China-South Korea Friendly Exchange Year".In his message, Hu spoke positively of the relations between the two countries. Seizing the opportunity of the 20th anniversary of the establishment of the China-South Korea diplomatic relations, China is willing to work together with South Korea, by launching various exchange programs, to further promote mutual understanding and friendship between the two peoples, deepen communication and cooperation in all sectors, and push for constant progress of the bilateral relationship, Hu said.For his part, Lee said on the basis of the accomplishments achieved over the two decades of the bilateral diplomatic ties, South Korea looks forward to joining hands with China to build a better future for the bilateral relationship.

来源：资阳报