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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.

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.

SAN FRANCISCO, May 3 (Xinhua) -- Apple Inc. announced on Tuesday that it has updated its iMac all-in-one desktop, adding Intel's next generation quad-core processors, Thunderbolt data ports and a new HD camera.Starting at 1,199 U.S. dollars, the new iMac is up to 70 percent faster and its new graphics deliver up to three times the performance of the previous generation, Apple said in a statement.The new iMac features quad-core Intel Core i5 processors with an upgrade option to Core i7 processors.The 21.5-inch model has a single Thunderbolt port while the 27- inch has two, in addition to four USB 2.0 inputs and a FireWire 800 port.Thunderbolt, which debuted with Apple's updated MacBook Pro notebooks in February, is also an Intel design bringing together high-speed data transfer and high-definition display onto a single cable. It can transfer a full-length HD movie in less than 30 seconds with a speed of 10 gigabits per second, which is twice the speed of USB 3.0, 12 times faster than FireWire 800 and up to 20 times faster than USB 2.0.The new iMac also includes a built-in FaceTime HD camera, which supports high-definition video calls, Apple said.

ABU DHABI, Feb. 10 (Xinhua) -- China believes that Egypt has sufficient wisdom and capability to overcome difficulties and realize national stability and development, visiting Chinese Foreign Minister Yang Jiechi told his Egyptian counterpart in a telephone conversation Thursday.Yang, who was on a visit to the United Arab Emirates (UAE), told the Egyptian Foreign Minister Ahmed Abul Gheit that China pays close attention to the situation in Egypt, adding that Egypt, as an influential country in the Middle East, is vital to the region's stability.Egypt's internal affairs should be resolved by Egyptians themselves and should be free of outside interference, he added.Gheit briefed Yang on Egypt's situation, saying his government was taking measures to safeguard social stability and return the country to normality.Both sides also expressed satisfaction with the development of China-Egypt relations in the past year, saying the strategic cooperation between the two countries has great potential and broad development prospects.Yang arrived in the UAE capital of Abu Dhabi late Wednesday for an official visit to the Gulf nation.

JERUSALEM, May 8 (Xinhua) -- Israeli researcher Jacob (Koby) Scheuer, from the Tel Aviv University (TAU) School of Electrical Engineering, has developed a nano-scale gyroscope, the Ha'aretz daily reported Sunday.Scheuer developed a new optic-fiber nano-sensor four years ago, along with an optic gyroscope that works in conjunction with the sensor. As he developed the devices, it occurred to him that his discovery could be harnessed to surgical needs, virtual reality, or communications, said the report."What we developed here is an optic gyroscope," Scheuer told Xinhua in a recent interview on Sunday, "like the others, but the breakthrough is that we found a way to measure rotation in a very, very small device using the optic sensor."Optic gyroscopes emit light when they rotate, and change its wavelength when there is any change in the speed of rotation, making it possible to measure velocity and position by the differences in light.Scheuer's gyroscope, however, is so small in comparison to the others commonly used in planes, trains and vehicles, that it can be used in cell phones or watches and does not need satellite connection like the ubiquitous Global Positioning System.The applications of this gyroscope and optic sensor are almost endless, as Scheuer puts it."It can be a pill that you swallow and can move through your body to take pictures or release drugs in a localized area," the researcher explained, "or it can be used by a doctor to operate on a patient who is thousands of kilometers away.""Our gyroscope has complete independent navigation capability, which the others don't have," he stressed.Though the new optic gyroscope works in theory, it still hasn't been tried in out in reality. "It will take some time until we can empirically demonstrate our work, I would say about three to five years," Scheuer added.Alongside the gyroscope, Scheuer continues to work on the optic sensor, whose applications can also be found in security, such as an information security system developed by Scheuer to safeguard online information that acts as a key bearer."When both parties have 'the key' it's virtually impossible to hack the information sent," Scheuer noted, terming the development as a "total paradigm change."