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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.

KIGALI, Feb. 8 (Xinhua) -- Li Zhaozhuo, vice chairman of the National Committee of the Chinese People's Political Consultative Conference (CPPCC), will head a high-level delegation to Rwanda this month to boost friendly and cooperative ties between the two countries.According to a statement released by Rwanda's Senate on Tuesday, the three-day visit will begin on Feb. 18 and is to strengthen regular contacts between Rwandan and Chinese parliamentary chambers on a number of issues and review bilateral projects.Chinese Ambassador to Rwanda Shu Zhan has confirmed that the official delegation from China is "planning an outreach visit" to Rwanda.After a meeting with the Chinese envoy to Rwanda on Tuesday, the president of Rwanda's Senate, Vincent Biruta, said his country's legislative chambers would continue to promote friendly ties with the CPPCC and play a "constructive role" in promoting bilateral cooperation.Rwanda have received training assistance from China in the applications of information communication technology (ICT) in parliaments.The Central African nation has a long-standing bilateral relationship with China in a number of socio-economic areas such as infrastructure, energy, education, health, agriculture and communications.

LJUBLJANA, April 12 (Xinhua)-- Slovenian surgeons have successfully developed a new method of breast reconstruction for cancer patients, the Slovenian Press Agency (STA) reported on Tuesday.Surgeons in Ljubljana Central Hospital use a three-dimensional mould to form a new breast from the patient's abdominal fat, and then have the tissue implanted and fixated in the place of the removed breast.The mould making technique, developed by the Ljubljana Faculty of Mechanical Engineering, uses a laser to make an exact imprint of the healthy breast, which is then used to make a mirror-image three-dimensional mould for the reconstruction.That is the first in the world to help woman patients overcome embarrassment of losing their breast after mastectomy, according to the report.Speaking of the effect of the treatment, Uros Ahcan, head of plastic surgery ward in Ljubljana Central Hospital , said that the reconstructed breast is as symmetrical as possible with the healthy breast.The latest breast reconstruction method has an advantage over artificial implants, because a breast reconstructed from adipose tissue grows and shrinks in case of weight gain and weight loss. In addition, the tissue has the same temperature as the rest of the body, the STA quoted Ahcan as saying.The Ljubljana Central Hospital have done eight breast reconstruction operations for cancer patients, all of them were successful, with ten more planned in the coming weeks, the report added.Some 1,200 Slovenian women are reportedly diagnosed with breast cancer annually. About 70 percent of the patients hope to have breast reconstruction after mastectomy.

BEIJING, Jan. 30 (Xinhua) -- Chinese President Hu Jintao said Sunday more attention should be paid to raising people's living standards while striving for economic growth.Hu made the remarks at a symposium with non-Communist parties and individuals to mark the Spring Festival, or the Lunar New Year, which falls on Feb. 3 this year.Hu urged the parties and social groups to pursue the people-first principle and help the government to better serve the people."We should always make the improvement of people's lives an important starting point in promoting development in a scientific way and enhancing social harmony," Hu said.Chinese President Hu Jintao (C), also general secretary of the Communist Party of China (CPC) Central Committee and chairman of the Central Military Commission, delivers an important speech at a symposium with non-Communist parties and individuals to mark the Spring Festival in Beijing, capital of China, Jan. 30, 2011.He said the government would focus on the transformation of its economic development pattern, and try to achieve its economic targets this year, which is also the start of the 12th five-year period (2011-2015).Hu hoped the non-Communist parties and individuals would concentrate on promoting scientific development and put forward practical suggestions for achieving comprehensive, coordinated and sustainable development.This year marks the 90th anniversary of the founding of the Communist Party of China (CPC).Hu said the past 90 years had proved that unison of ideas, targets and actions in the multi-party cooperation system under CPC leadership guaranteed the country to achieve progress in revolution, development and reform.Hu expressed appreciation for the contributions of non-Communist parties and individuals to social and economic development last year."We must rely on all Chinese people, including non-Communist parties, societies, ethnic groups and people from all walks of life and in different strata to achieve this year's goals for economic and social development," said Hu.At the event, Hu also extended New Year's greetings and best wishes to all people from the non-Communist parties and the All-China Federation of Industry and Commerce and those without party affiliations.Non-Communist party leaders at the gathering gave opinions on issues such as multi-party cooperation, rural social security system, water conservation, strategic emerging industries, education and cultural exchanges across the Taiwan Straits.The meeting was chaired by Jia Qinglin, chairman of the National Committee of the Chinese People's Political Consultative Conference. Vice President Xi Jinping and Vice Premier Li Keqiang were present at the gathering.