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WELLINGTON, Oct. 17 (Xinhua) -- Parents wanting to help their children avoid asthma and other allergies are being told to give their toys a frosty reception by sticking them in the freezer.Medical scientists in New Zealand and Taiwan have discovered that freezing children's soft toys can kill almost all house dust mites (HDMs), the microscopic bugs associated with a range of allergies, including asthma.Other effective remedies for killing HDMs, commonly found in children's soft toys, were tumble drying and washing with eucalyptus oil and detergent, the scientists from New Zealand's University of Otago and Taiwan's Changhua Christian Hospital found.HDMs were strongly associated with the development of asthma in children, and the severity of asthma was in proportion to the number of house dust mites a child was exposed to when sleeping with soft toys, said a statement from the university Monday."Children frequently sleep with their favorite toys close to their airways and this may be important for HDM-sensitized asthmatic children," said University of Otago Associate Professor Rob Siebers.The scientists tested the three different cleaning methods on 36 toys divided into three groups of 12.Freezing toys for at least 16 hours at minus 15 degrees centigrade resulted in a 95-percent reduction of HDMs, as did soaking in an emulsion of eucalyptus oil and liquid detergent for one hour before rinsing and drying.Hot tumble drying for one hour reduced mites by 89 percent, the study found."Washing and soaking with eucalyptus oil and detergent is very effective in not only reducing live mites, but also reducing house dust mite allergens, compared to freezing and tumble drying," said Siebers.Ten of the 12 toys cleaned this way showed no live mites at all.Siebers said all three methods were more effective than just washing toys, because water needed to be above 55 degrees centigrade to kill HDMs, but this usually damaged the toys."My advice for parents is to either tumble dry for one hour, or freeze the soft toy overnight, and then wash it in a cold wash to remove any allergens."Siebers said the thickness of the material used in making the toys could alter the effectiveness of the three methods.The scientists would conduct further research to determine how quickly HDMs recolonized soft toys and how often toys should be treated.The study has been published in the European journal, Paediatric Allergy and Immunology.

BEIJING, Jan. 6 (Xinhua) -- China's railways will carry 235 million passengers during the 40-day Spring Festival travel rush, up 6.1 percent year-on-year, the Ministry of Railways said Friday.A daily average of 5.88 million people will make trains trips from Jan. 8 to Feb. 16, the ministry said in a statement on its website.Economic hubs such as Beijing, Guangzhou, Shanghai and Hangzhou and the inland provinces of Sichuan, Hubei, Jiangxi, Anhui and Hunan will see the most activity during the period, as millions of rural migrant workers and students head home for family reunions, according to the statement.The ministry has arranged for extra trains in anticipation of the rush, the statement said, but added that "the conflict remains between passenger demand and railway capacity."Railway authorities have long been under pressure to increase capacity and improve ticketing services, as many citizens find it extremely hard to secure a single ticket during major holidays.The ministry has begun allowing customers to book their tickets online or by phone to ease the ordeal of buying tickets. However, website glitches and the huge demand have rendered the new ways ineffective to many ticket buyers.The Spring Festival, or the Chinese Lunar New Year, falls on Jan. 23.

RIYADH, Jan. 15 (Xinhua) -- Visiting Chinese Premier Wen Jiabao and Saudi Arabia's King and Prime Minister Abdullah bin Abdul-Aziz agreed on Sunday to make concerted efforts to enhance bilateral relations under a strategic framework.In their meeting, Premier Wen said Saudi Arabia is a major country in the Arab and Islamic world, which plays a significant role in regional and international affairs.He said China respects Saudi Arabia's political system, development mode as well as its culture and traditions, and is grateful for Saudi Arabia's understanding of and support for China regarding the latter's core interests and major concerns.As the world is undergoing profound changes, China is willing to strengthen coordination with Saudi Arabia on major issues, develop an all-around cooperative partnership in the energy sector, expand cooperation in trade, investment, infrastructure, high-tech, finance, security and law enforcement, so as to enrich the contents of the bilateral relations, he added.King Abdullah said that the government and people of Saudi Arabia cherish friendly feelings for China, and that he believes the strengthening of bilateral cooperation will benefit peoples of both countries.The Saudi king proposed setting up a Saudi Arabia-China high level committee to supervise the two countries' cooperation in the political, economic, cultural and security sectors. Premier Wen agreed with this proposal.On the situation in West Asia and North Africa, the visiting Chinese premier said China respect the choice of the peoples in those countries, understand and support their appeal for reforms, and back the role of regional bodies like the Arab League in maintaining stability.For his part, King Abdullah noted it was the objective of Saudi Arabia's foreign policy to maintain regional peace and stability. Saudi Arabia and China enjoy a high level of mutual trust and share similar views on many issues, he said, adding that the Saudi side wishes to step up consultation and coordination with China.Premier Wen has also met with top Saudi leaders, Secretary General of the Organization of Islamic Cooperation Ekmeleddin Ihsanoglu, and Secretary General of the Gulf Cooperation Council Abdullatif al-Zayani.In a joint statement, the two sides hailed Premier Wen's visit to Saudi Arabia as a complete success, which will contribute to their long-term friendly cooperative relations.The statement said both countries were satisfied with the progress made in bilateral cooperation, and pledged to further enhance relations within the framework of strategic relationship, so as to benefit the two peoples and contribute to regional and world peace, stability and development.The two countries agreed in the document to conduct more high-level exchanges of visits, and to expand trade, investment and cooperation in a wide range of areas. The Saudi side also reiterated its adherence to the one-China policy.Wen arrived in Saudi Arabia Saturday evening after an official visit to Nepal.After his stay in Saudi Arabia, the Chinese leader will continue his visit to the United Arab Emirates and Qatar.

BEIJING, Oct. 27 (Xinhuanet) -- A new study shows that it's not simply a lack of willpower that explains weight regain but hormones keep one insisting on eating, a persistent biological urge. As any dieter knows, it's hard to keep weight off. Weight regain is a familiar problem for dieters. The research appears in Thursday's issue of the New England Journal of Medicine. To study what drives it, Proietto and his colleagues enrolled 50 overweight or obese patients in Australia in a 10-week diet program. On average, the participants lost almost 30 pounds in the 10 weeks - faster than the standard advice of losing a pound or two per week. Even so, they gained an average of 12 pounds back over the next year. The scientists checked the blood levels of nine hormones known to influence appetite - and found that even a year after the end of the weight-loss program, six of the hormones were still out of whack. People who regain weight should not be harsh on themselves, as eating is our most basic instinct, study author Joseph Proietto of the University of Melbourne in Australia said. It's better not to gain weight than to try to lose it.

SHIJIAZHUANG, Oct. 16 (Xinhua) -- Chickens began being domesticated in China about 8,000 years ago, far earlier than in the rest of the world,according to a recent study on fossils uncovered in north China's Hebei Province.Archaeologists said they had unearthed 116 fossil specimens from 23 types of animals, including pig, dog, chicken, tortoise, fish, and clam, at the Cishan Site, a Neolithic village relic in the city of Wu'an.Several bone fragments were identified to be from domesticated chickens, said Qiao Dengyun, head of the Handan Municipal Institute of Cultural Relics and Archaeology."The chicken bones found at Cishan are slightly larger than wild jungle fowls, but smaller than that of a modern domesticated chicken," said Qiao.Qiao said the bone fossils date back to 6,000 BC, earlier than the oldest domesticated chicken previously discovered in India that dated back 4,000 years."Most of the bones were from cocks, indicating that ancient residents used the practice of killing cocks for their meat and raising hens for their eggs," said Qiao.The Cishan Site, which dates back 10,000 years, was first discovered in the 1970s. At the site, experts have found remnants of China's oldest cultivated millet as well as walnut shells, a discovery that challenged the popular belief that walnuts had been brought to China from what is now Xinjiang Uygur Autonomous Region and Central Asia.