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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.

BEIJING, Sept. 30 (Xinhuanet) -- Miners, construction workers and people in hotel and food service industry are most likely to smoke in the U.S., according to new research finding.The finding was contained in a report released Thursday by the U.S. Centers for Disease Control and Prevention (CDC).According to the finding, miners and people in hotel and food service have a cigarette smoking rate of 30 percent, followed closely by construction workers' 29.7 percent.Both rates are much higher than the average smoking rate of 19.6 percent among all U.S. working adults.Workers in the education services industry have the lowest smoking rate, with 9.7 percent, followed by the 10.9 percent of workers in company management, the report said.Low education levels are a factor in high smoking rates, along with poverty and gender, said Ann Malarcher, senior scientific adviser at the CDC."Although some progress has been made in reducing smoking prevalence among working adults," the report wrote, "additional effective employer interventions need to be implemented."Smoking kills an estimated 443,000 each year in the U.S., costing about 193 billion U.S. dollars annually in direct health care expenses and productivity loss.

BEIJING, Jan. 6 (Xinhua) -- Surveillance data on the size and frequency of earthquakes in Antarctica collected by China's Great Wall Station show that the continent is not earthquake-free, a Chinese seismic expert said Thursday."China's newly-built seismic observatory in Great Wall Station has documented a hundred-odd earthquakes occurring in the region over the past year," said Chang Lijun, a member of China's 28th Antarctic expedition team.The discovery challenges the prevailing notion that the Antarctic has no earthquakes, as many earthquakes have gone undetected due to lack of seismological observation in the region.However, thanks to technological advances, scientists have discovered that the continent is still subject to some minor tremors.Chang, also an associate researcher at China Earthquake Administration's Geophysics Institute, said last year's earthquakes ranged in magnitude from 0.5 to 4, scales which are usually undetectable to common people.The tectonic movements of Antarctica, which sits on two plates that pulled away from each other in the northern Ross Sea between 28 and 40 million years ago, but later converged, fascinate geologists worldwide.At the end of 2010, Chinese scientists set up a new broadband seismic observatory in Great Wall Station, greatly increasing China's ability to measure tremors and tectonic movements on the continent.

BEIJING, Nov. 1 (Xinhua) -- Commander-in-chief of China's manned space program Chang Wanquan announced early Tuesday that the launch of Shenzhou-8 unmanned spacecraft is successful.The spacecraft was successfully sent into the designated orbit after the blastoff at 5:58 a.m. at the Jiuquan Satellite Launch Center in northwestern desert area, carried by an upgraded Long March-2F rocket.It is heading to rendezvous with the Tiangong-1, or "Heavenly Palace-1" that was put into space on Sept. 29 for the country's first space docking.The docking, if successful, will pave the way for China to operate a permanent space station around 2020, and make the nation the world's third to do so.The launch was attended by Chinese Vice Premier Zhang Dejiang. It was also observed by senior experts from the European Space Agency and the German Aerospace Center at the launch site.The docking will happen within two days after the launch of the Shenzhou-8 at a height of 343 km above Earth's surface. The spacecraft will return to Earth after two docking operations.