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BEIJING, Oct. 20 (Xinhuanet) -- British scientists used bacteria and DNA to build basic components for digital devices in a new research, according to media reports, suggesting biological computers come closer to reality.Digital devices are based on logic gates, fundamental building blocks in silicon circuitry, said Professor Richard Kitney, leading researcher of the research published in the journal Nature Communications, "Without them, we could not process digital information."According to Science Daily, Professor Kitney and his colleagues from the Imperial College London replicated the building blocks using bacteria and DNA, forming biological logic gates, which paved the way for building more complex biological processors in the future.The researchers hoped biological computers can be applied to monitoring human health in the future.They believed that small biological processors, inserted in human bodies, could roam inside the bodies, monitor the health, and correct any problems they found.These biological logic gates are the most advanced created by scientists. But there is still a long way to go to apply them in reality, said Professor Kitney.

BEIJING, Jan. 21 (Xinhua) -- Chinese leaders on Saturday offered festive greetings to people across the nation as well as overseas Chinese around the world at a gathering to mark the Lunar New Year that falls on Jan. 23.President Hu Jintao, top legislator Wu Bangguo, Premier Wen Jiabao and top political advisor Jia Qinglin attended the gathering, organized by the Central Committee of the Communist Party of China (CPC) and the State Council at the Great Hall of the People in Beijing.Hosting the gathering, Hu, also General Secretary of the CPC Central Committee, extended regards to Chinese people at home and abroad and foreign friends on behalf of the CPC Central Committee and the State Council, the Cabinet.Premier Wen delivered a speech at the gathering, saying that the country has made a good start to the Twelfth Five-Year Plan (2011-2015) at a time of an austere and complicated international economic situation.Wen said the government would maintain stable prices and steady, rapid economic development, accelerate the transformation of development patterns and adjust the economic structure in a bid to enhance sustainable development, as well as place more importance on people's livelihoods, letting the people share the achievements of reform."We are going to face bigger challenges in the new year," Wen said. "We have the will, determination, courage and ability to overcome any difficulties. We have confidence in the motherland's successful and bright future."Wen said the country will resolutely take the socialist road with Chinese characteristics, and promote economic growth and social progress, as well as improving people's livelihoods, and democracy, rule of law, equality and justice."We need to keep a clear head and thoroughly apply the scientific outlook on development, so to advance the reform and openning up policy and the socialist modernization construction.Wen called for excellent achievements in a bid to put the country on a firm footing for the upcoming 18th National Congress of the Communist Party of China.Other leaders, including Li Changchun, Xi Jinping, Li Keqiang, He Guoqiang and Zhou Yongkang, also attended the gathering.The Spring Festival, or the Chinese Lunar New Year, is the most important traditional festival for China.

BEIJING, Oct. 10 (Xinhua) -- The State Council, or China's cabinet, announced on Monday it will tax all resource products starting Nov. 1, extending the resource tax on domestic sales of crude oil and natural gas from some regions to the entire country.The list of taxable resources widened from crude oil and natural gas to coal, rare earth, salt and metal from Nov. 1, according to the country's revised resource tax regulations.The expansion of the resource tax is part of China's efforts to encourage energy conservancy and limit environmental damage.Sales of crude oil and natural gas nationwide will be taxed at a rate between five and 10 percent of their sales value, according to the revised regulations.The regulations impose a sales tax ranging from eight (1.25 U.S. dollars) to 20 yuan per metric ton on coking coal and from 0.40 to 60 yuan per metric ton on rare earth ore.Taxes on other types of coal stood unchanged at 0.30 to five yuan per metric ton.The tax rate for other non-ferrous metals is set between 0.4 to 30 yuan per metric ton. Ferrous metals will be taxed at two to 30 yuan per metric ton.Taxes on precious non-metallic ore will be between 0.5 to 20 yuan per kg or per carat, while taxes on cheap non-metallic ore are set between 0.5to 20 yuan per metric or per cubic meter.China's current resource tax is levied based on production volume instead of sales value, thus preventing the government from benefiting from energy and commodity price increases.Nonetheless, energy giants and mining companies such as PetroChina and Sinopec have enjoyed large profit margins on the sale of resources under the current tax scheme.A resource tax on oil and natural gas was introduced at a rate of five percent in northwest China's Xinjiang Uygur Autonomous Region on June 1, 2010 before being extended to 11 other provinces in December last year.

MOSCOW, Nov. 25 (Xinhua) -- Russia's Proton-M carrier rocket was launched on Friday from the Baikonur space center in Kazakhstan with a Chinese communications satellite "AsiaSat-7", according to Russia's Federal Space Agency Roscosmos.Roscosmos' live broadcast on its official website showed that the Proton-M rocket atop the Briz-M upper stage was launched at 23: 10 Moscow time (1910 GMT). The separation of the satellite from the rocket was scheduled for 08:23 Moscow time (0423 GMT) on Saturday.The AsiaSat-7 which belongs to the Asia Satellite Telecommunications Company Limited (AsiaSat) located in Hong Kong, China, is a new generation satellite designed to replace AsiaSat 3S at the orbital location of 105.5 degrees East.The new satellite was expected to support a broad range of applications for the Asia-Pacific region, including television broadcast and VSAT (Very Small Aperture Terminal) networks.

NEW DELHI, Oct. 1 (Xinhua) -- Suspected encephalitis has killed over 100 children in the northern Indian state of Bihar since June, reported local media Saturday.At least 51 children in Bihar's Gaya district died of the epidemic in the last seven weeks, in the wake of the death of 55 children in a similar outbreak of the brain disease in another district of the state earlier, reported Indo-Asian News Service.Most of the children belong to a caste known for its absolute poverty.According to district health officials, all children have died at Anugrah Narain Medical College and Hospital in Gaya, about 100 km from the state capital Patna.The children reported high fever, followed by bouts of unconsciousness and convulsions.So far, more than 220 children with suspected encephalitis were admitted for treatment, with over two dozens of the children still battling for life, according to the report.Earlier, Indian Health and Family Welfare Minister Ghulam Nabi Azad has said clinical and epidemiological data suggested that there was an outbreak of acute encephalitis syndrome, resulting in 150 cases and 55 deaths, mostly among children, from early June to mid-July in the Muzaffarpur district of Bihar.

来源：资阳报