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WASHINGTON, April 20 (Xinhua) -- Those childhood music lessons could pay off decades later -- even for those who no longer play an instrument -- by keeping the mind sharper as people age, according to a preliminary study published by the American Psychological Association (APA).The study recruited 70 healthy adults age 60 to 83 who were divided into groups based on their levels of musical experience. The musicians performed better on several cognitive tests than individuals who had never studied an instrument or learned how to read music, according to the research findings published Wednesday online in the APA journal Neuropsychology."Musical activity throughout life may serve as a challenging cognitive exercise, making your brain fitter and more capable of accommodating the challenges of aging," said lead researcher Brenda Hanna-Pladdy, a clinical neuropsychologist at the University of Kansas Medical Center. "Since studying an instrument requires years of practice and learning, it may create alternate connections in the brain that could compensate for cognitive declines as we get older."The three groups of study participants included individuals with no musical training; with one to nine years of musical study; or with at least 10 years of musical training. All of the participants had similar levels of education and fitness and didn' t show any evidence of Alzheimer's disease.All of the musicians were amateurs who began playing an instrument at about 10 years of age. More than half played the piano while approximately a quarter had studied woodwind instruments such as the flute or clarinet. Smaller numbers performed with stringed instruments, percussion or brass instruments.The high-level musicians who had studied the longest performed the best on the cognitive tests, followed by the low-level musicians and non-musicians, revealing a trend relating to years of musical practice. The high-level musicians had statistically significant higher scores than the non-musicians on cognitive tests relating to visuospatial memory, naming objects and cognitive flexibility, or the brain's ability to adapt to new information.The brain functions measured by the tests typically decline as the body ages and more dramatically deteriorate in neurodegenerative conditions such as Alzheimer's disease. The results "suggest a strong predictive effect of high musical activity throughout the lifespan on preserved cognitive functioning in advanced age," the study stated.Half of the high-level musicians still played an instrument at the time of the study, but they didn't perform better on the cognitive tests than the other advanced musicians who had stopped playing years earlier. This suggests that the duration of musical study was more important than whether musicians continued playing at an advanced age, Hanna-Pladdy says."Based on previous research and our study results, we believe that both the years of musical participation and the age of acquisition are critical," Hanna-Pladdy says. "There are crucial periods in brain plasticity that enhance learning, which may make it easier to learn a musical instrument before a certain age and thus may have a larger impact on brain development."The preliminary study was correlational, meaning that the higher cognitive performance of the musicians couldn't be conclusively linked to their years of musical study. More research is needed to explore that possible link.

KUALA LUMPUR, Feb. 3 (Xinhua) -- Malaysian Prime Minister Najib Razak wishes all Chinese in the world a happy Chinese New Year on Thursday in an exclusive interview with Xinhua News Agency at his official residence in Federal Administrative Center Putrajaya."I would like to wish all Chinese in the world, wherever they are at any part of the world, a very happy Chinese New Year through Xinhua News Agency,"Najib said. "I hope that this new lunar calendar year, the year of the Rabbit will bring much prosperity and will be a successful and productive year."Najib also noted the 36-year-old special ties between Malaysia and China - a relationship which was first established by his father Abdul Razak, the second prime minister of Malaysia.He stressed that Malaysia is determined to forge closer diplomatic relations with China in years ahead."The relationship between Malaysia and China is a very warm and strong relationship that was established way back in 1974, we were the first Southeast Asian to have established diplomatic relations with China," Najib said."Ever since that historic occasion, the relationship between the tow countries has developed from strength to strength and leaps and bounds and today it's the most important relationship that we have," Najib said. "I hope this relationship will bring much benefit to both Malaysia and China, I wish it can be developed further and strengthen and deepen this important relationship."The prime minister had his Thursday occupied, attending numerous Spring Festival Open House, including the one held by the Malaysian Chinese Association (MCA) - the largest party that represents the ethnic Chinese in the country's ruling coalition.Thousands attended the open house event at the party's headquarters, many of whom were tourists.Malaysian leaders, ambassadors and attaches from foreign embassies were among the invited guests at the event.The Open House is a Malaysian tradition during celebrations where people open their doors to welcome guests and even strangers into their homes.He then held a live teleconference with Malaysians residing in seven cities in the world, including Guangzhou, China, and sent his greetings.About 26 percent of Malaysia's 27 million population are ethnic Chinese.

BEIJING, May 20 (Xinhuanet) -- Scientists have discovered a Jupiter-sized exoplanet that is completely unbound from a host star, according the scientific journal "Nature" published Thursday.The research was conducted by astrophysicists from Osaka University in Japan.Using the technique called "gravitational microlensing", scientists turned their telescopes towards the centre of the Milky Way and detected this "lonely planet" moving in a extremely large orbit, which suggested it does not connect to any solar system.Then they estimated the total number of such wondering planets could be as many as 400 billion, based on the detection efficiency. This number far outnumbers the main-sequence stars such as our Sun."This is an amazing result, and if it is right, the implications for planet formation are profound," says astronomer Debra Fischer at Yale University in New Haven, Connecticut.And scientist began to consider the possibility that liquid water could exist on this kind of unbound planets. "That might be an attractive possibility for life," said David Stevenson, a planetary scientist at the California Institute of Technology.

CONAKRY, Feb. 14 (Xinhua) -- Guinean President Alpha Conde said Monday while meeting with visiting Chinese Foreign Minister Yang Jiechi that Guinea hopes to expand cooperation with China in a wide range of fields.Conde said Guinea values the traditional friendship with China, is grateful to China's assistance to Guinea under the framework of the Forum on China-Africa Cooperation, and appreciates the contribution China has made to the peace and common development of the world as well as the recovery of world economy from the global financial crisis.He reiterated Guinea's adherence to the one-China policy, and said the country is willing to learn from China's development experiences. Guinea hopes to further expand cooperation with China in such fields as water resources management, electricity generation and infrastructure building, said the president, who also welcomed Chinese companies to invest in Guinea.Also in a meeting with the visiting Chinese foreign minister, Guinea's Prime Minister Mohamed Said Fofana thanked China for sending medical teams to Guinea, helping Guinea train personnel in various sectors and constructing a series of aid projects in the African country. Fofana said Guinea expects to carry out all- around and mutually beneficial cooperation with China.For his part, the Chinese foreign minister said China-Guinea relations have been enjoying healthy and stable development throughout a period of over half a century, featuring political equality, mutual benefit and friendship.Yang said China has always been supporting Guinea's strive for peace and stability, and offering assistance for Guinea in social and economic development. He said enterprises from both sides have been carrying out cooperation in such realms as telecommunications, infrastructure building, among others.Yang said Guinea has successfully completed a political transition, and under the leadership of President Conde, the country will surely make more achievements in social and economic development. He noted that China is willing to make joint efforts with Guinea to consolidate traditional friendship, expand cooperation and push bilateral relations to a new height.The visiting foreign minister, who arrived here on Sunday, also met with his Guinean counterpart Edouard Niankoye Lama on Monday on bilateral cooperation and a number of other issues.

MOSCOW, May 13 (Xinhua) -- The main and backup crews that will fly to the International Space Station in June have passed preflight tests and are ready for space travel, the Russian Cosmonauts Training Center said Friday.The main crew includes Russian cosmonaut Sergei Volkov, Japanese astronaut Satoshi Furukawa and American astronaut Michael Fossuma.A Russian spaceship Soyuz TMA-02M will send the crew to the space station on June 8, Interfax news agency reported.The backup crew includes members from Russia, the Netherlands and the United States.The crews were tested on the various emergency situations they could face during the flight.Next Monday, the commission will make a final choice of crewmembers for the launch.The crew will spend 161 days in orbit and conduct three space walks.