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BEIJING, Nov. 15 (Xinhua) -- Police from China and Angola have jointly busted a criminal gang that kidnapped Chinese females and forced them into prostitution in Angola, according to China's Ministry of Public Security on Tuesday.Police rescued 19 Chinese females during the operation on Oct. 25, when 11 suspects were arrested in Angola and five were caught in China, according to a statement from the ministry.Those female victims and suspects have been transferred back to China, said the statement.In order to boost international cooperation against human trafficking, China had ratified the Protocol to Prevent, Suppress and Punish Trafficking in Persons, Especially Women and Children, supplementing the United Nations Convention against Transnational Organized Crime, in February 2010.Moreover, Chinese police have entered into cooperation agreements with more than 50 countries, which contain anti-human trafficking terms.

ABU DHABI, Jan. 16 (Xinhua) -- Visiting Chinese Premier Wen Jiabao held talks Monday with UN Secretary General Ban Ki-moon on major international issues.During their talks, Wen said the United Nations had played an indispensable role in boosting international cooperation and coordinated actions among related parties.China supports the UN and the Secretary General to play a bigger role in international affairs and achieve greater success, he said.Chinese Premier Wen Jiabao (L) meets with UN Secretary General Ban Ki-moon (R) in Abu Dhabi, the United Arab Emirates, Jan. 16, 2012.In promoting global sustainable development, the UN and the international community needed to focus on the elimination of poverty, help developing countries properly cope with the difficulties in their drive to transfer to a green economy and provide them with support in such areas as finance, technology and capacity building, Wen said.Ban said China had played an important role in helping attain the UN Millennium Development Goals (MDGs) and settle regional hot issues.Appreciating China's support for the UN, Ban said the United Nations stood ready to advance contacts with China and make concerted efforts to safeguard world peace and promote sustainable development.They also exchanged views on the situation of West Asia and North Africa and other regional issues of common concern.Wen arrived in the capital of the United Arab Emirates Monday morning after concluding an official visit to Saudi Arabia. He visited Nepal on Saturday before flying to the Middle East. The trip will also take him to Qatar.Earlier in the day, the Chinese premier gave a keynote speech at the opening of the 5th World Future Energy Summit.

BEIJING, Oct. 2 (Xinhua) -- Chinese archeologists have found evidence indicating that the mysterious ancient city of Loulan (Kroraina) once had highly-developed agricultural systems.Scientists from the Institute of Geology and Geophysics under the Chinese Academy of Sciences conducted remote sensing procedures, field investigations and sample testing in the area and found that there were once large tracts of farmlands in Loulan.The farmland featured regular and straight circumferences stretching for 200 to 1,000 meters as well as irrigation ditches running throughout, said Qin Xiaoguang, a member of the research team.Moreover, researchers found grain particles in the area's ground surface, which are very likely to be remains of crop plants, Qin said.These findings show that irrigation farming had been practiced in Loulan for at least 100 years, Qin said.Qin said they also found canal remains measuring 10 to 20 meters wide and 1.6 meters deep in the Loulan relics, indicating that the city, which is suspected of perishing in drought, was once rich in water resources.The ancient city was a pivotal stop along the famous Silk Road, but mysteriously disappeared around the third century AD.Previous historical records suggested that Loulan's economy was sustained by widespread agricultural activity, but no remains or other evidence had been found before the most recent discoveries.

WASHINGTON, Jan. 2 (Xinhua) -- A systematic review of previous studies suggests that there may be a positive connection between physical activity and children's academic performance, according to a report published Monday in the Archives of Pediatrics & Adolescent Medicine.A group of scientists at the Vrije Universiteit (Free University) Medical Center in the Netherlands reviewed evidence on the relationship between physical activity and academic performance because of concerns that pressure to improve test scores may often mean more instructional time for classroom subjects with less time for physical activity.The authors identified 10 observational and four interventional studies for review, 12 of which were done in the United States, one in Canada and one in South Africa. Sample sizes ranged from 53 to about 12,000 participants between the ages of eight years and 18 years old. Follow-up varied from eight weeks to more than five years."According to the best-evidence synthesis, we found strong evidence of a significant positive relationship between physical activity and academic performance. The findings of one high-quality intervention study and one high-quality observational study suggest that being more physically active is positively related to improved academic performance in children," the report said.Background information in the article suggests that exercise may help cognition by increasing blood and oxygen flow to the brain, increasing levels of norepinephrine and endorphin to decrease stress and improve mood, and increasing growth factors that help create new nerve cells and support synaptic plasticity."More high-quality studies are needed on the dose-response relationship between physical activity and academic performance and on the explanatory mechanisms, using reliable and valid measurement instruments to assess this relationship accurately," the report concluded.

BEIJING, Jan. 8 (Xinhua) -- China started the Spring Festival peak travel season Sunday, with tens of millions of passengers, mainly migrant workers and college students, on the move in the world's largest seasonal migration.The Spring Festival, or Chinese Lunar New Year, fall on Jan. 23 this year. It is the most important traditional Chinese festival for family reunions.A total of 3.16 billion passenger trips are expected during the 40-day peak travel season, or Chunyun (Spring transportation) in Chinese, up 9.1 percent from a year earlier, according to the National Development and Reform Commission.