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BEIJING, Dec. 18 (Xinhua) -- China's economic diplomacy will face growing challenges in the form of trade and exchange rate disputes, as well as the task of protecting overseas investment interests, over the next few years, experts said on Sunday.Next year will be an election year for the Unite States and France, and there is an increasing possibility for the two countries to use the "China threat" as an excuse for not dealing with their own economic issues, which will put Chinese diplomacy under pressure, said Ding Yifan, deputy director of the Institute of World Development of the Development Research Center of the State Council at a seminar on Chinese diplomacy.During the first half of 2012, several countries will remain in a grave debt crisis and may even see their crises deepen, Ding said, adding that this situation may create friction between China, the United States and Europe.Additionally, protecting China's growing overseas investments will pose new challenges for the country's diplomacy, Ding said.Chen Fengying, director of the Institute of World Economic Studies under the China Institutes of Contemporary International Relations, agreed that the protection of China's overseas investment interests will be an important task for Chinese diplomacy.During the past three decades, China has invested in more than 170 countries and regions, with outbound direct foreign investment topping 170 billion U.S. dollars.In the past 30 years, China has been focused on "bringing in" foreign investment; it may do more to facilitate its "going out" in the future, Chen said.Chinese economic diplomacy will serve the country's economic construction and the protection of its overseas interests, national interests and security, Chen said, adding that China's position in the world is closely related to its economic diplomacy.Chen said China has made several achievements in international economic governance, reflected by China's growing influence in the international arena and the posts held by Chinese officials in important international organizations.

BEIJING Jan. 10 (Xinhuanet) -- Scientists have found a plant in Brazil using leaves to capture the tiny worms in the soil, according to Monday's Proceedings of the National Academy of Sciences in the U.S.The plant, named Philcoxia, was found in the tropical grassland of Brazil, where the biodiversity is well conserved.As the scientists searching for the answer of why the plant grows the leaves underground, they found the 1.5 millimeters-wide leaves can trap the worms and produce a digestive enzyme to help its roots to absorb the nutrition.Although it is not the first meat-eating plant to be discovered, the finding has still "broaden up our perception about plants," according to researcher Rafael Silva Oliveira, a plant ecologist at the State University of Campinas in Brazil.It suggests that carnivorous plants "may have evolved independently more times in plants than previously thought," he added

NEW YORK, Oct. 14 (Xinhua) -- The iPhone 4S went on sale at Apple store on the Fifth Avenue of Manhattan in New York early Friday.An Apple store worker said people were waiting outside the store around 3 p.m. Thursday and underwent an overnight rain for an early purchase of the smart phone which started sale at 8 a.m. Friday.About 200 people were seen lining up outside the store and some of them said they would like to pay tribute to Steve Jobs, Apple's longtime CEO who died of pancreatic cancer at the age of 56 on Oct. 5."I'm a Steve's fan, iPhone 4S is the best of Steve's work. I am not going to buy iPhone 5,"Jim Bedford, who is in his 30s, said. "Maybe this is my last iPhone," he added.People left a Steve's picture, flowers and apples on the sidewalk to pay respect to Apple's co-founder. Some apples were seen inscribed such words as "Nice job" and "We will always remember you."Tom White, 50, said he had iPhone 1 and 3 and "now is the time to change a new one."The iPhone 4S is operated seven times faster than their predecessor and features an upgraded camera. Apple reported more than 1 million pre-orders for the iPhone 4S, breaking a mark set by last year's model. The phone also went on sale Friday in six other countries -- Britain,Germany,France,Australia, Canada and Japan.

VIENTIANE, Dec. 5 (Xinhua) -- Laos and China pledged on Monday to deepen military exchanges and cooperation, strengthen unity and friendship between the two countries'militaries and work together to maintain regional peace and stability.The vows came out of the meeting between the Lao Deputy Prime Minister, Minister of National Defense Douangchay Phichith, Lao Deputy Minister of National Defense Sanyahak Phomvihane and the visiting Deputy Chief of General Staff of the Chinese People's Liberation Army (PLA) Cai Yingting.Douangchay said the Lao side appreciates the Chinese side's long-term support and help which have contributed to the Lao social economic development and national defense building. The Lao Party, government and military attach great importance to developing relations with China, and are willing to make joint efforts with the Chinese side to further promote the two states and militaries' ties to a new level.Sanyahak said that no matter how changes in the international and regional situation, the solid traditional friendship between the two countries' people and militaries won't change. Laos is willing to cooperate with China closely, deepen communication and cooperation between the two militaries, and constantly strengthen unity and friendship of the two sides.Cai said that China and Laos are friendly neighbors, the peoples of the two countries have forged a profound friendship since ancient times. In recent years, the bilateral ties continue to see a healthier and stabler development, especially after the two countries have established a comprehensive strategic and cooperative partnership.The Chinese side will continue to maintain close high-level contacts with Laos, enhance substantial cooperation, and strengthen friendly coordination, in order to contribute to the bilateral ties, and regional peace, stability and prosperity, Cai added.The Cai-led Chinese PLA delegation arrived in Lao's capital of Vientiane on Monday at the invitation of the Lao Ministry of National Defense, kicking off their friendly visit to Laos.

WASHINGTON, Dec. 22 (Xinhua) -- The journal Science on Thursday chose the HPTN 052 clinical trial, an international HIV prevention trial as the 2011 Breakthrough of the Year.The study found that if HIV-infected heterosexual individuals begin taking anti-retroviral medicines when their immune systems are relatively healthy as opposed to delaying therapy until the disease has advanced, they are 96 percent less likely to transmit the virus to their uninfected partners. Findings from the trial, first announced in May, were published in the New England Journal of Medicine in August.The study was funded by the U.S. National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health."The HPTN 052 study convincingly demonstrated that anti- retroviral medications can not only treat but also prevent the transmission of HIV infection among heterosexual individuals," said NIAID Director Anthony Fauci in a statement. "We are pleased that Science recognized the extraordinary public health significance of these study results."Science's list of nine other ground-breaking scientific achievements from 2011 include:The Hayabusa Mission: After some near-disastrous technical difficulties and a stunningly successful recovery, Japan's Hayabusa spacecraft returned to Earth with dust from the surface of a large, S-type asteroid. This asteroid dust represented the first direct sampling of a planetary body in 35 years, and analysis of the grains confirmed that the most common meteorites found on Earth, known as ordinary chondrules, are born from these much larger, S-type asteroids.Unraveling Human Origins: Studying the genetic code of both ancient and modern human beings, researchers discovered that many humans still carry DNA variants inherited from archaic humans, such as the mysterious Denisovans in Asia and still-unidentified ancestors in Africa. One study this year revealed how archaic humans likely shaped our modern immune systems, and an analysis of Australopithecus sediba fossils in South Africa showed that the ancient hominin possessed both primitive and Homo-like traits.Capturing a Photosynthetic Protein: In vivid detail, researchers in Japan have mapped the structure of the Photosystem II, or PSII, protein that plants use to split water into hydrogen and oxygen atoms. The crystal-clear image shows off the protein's catalytic core and reveals the specific orientation of atoms within. Now, scientists have access to this catalytic structure that is essential for life on Earth -- one that may also hold the key to a powerful source of clean energy.Pristine Gas in Space: Astronomers using the Keck telescope in Hawaii to probe the faraway universe wound up discovering two clouds of hydrogen gas that seem to have maintained their original chemistry for two billion years after the big bang. Other researchers identified a star that is almost completely devoid of metals, just as the universe's earliest stars must have been, but that formed much later. The discoveries show that pockets of matter persisted unscathed amid eons of cosmic violence.