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URUMQI, Sept. 5 (Xinhua) -- The first China-Eurasia Expo that concluded Monday in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, has clinched trade and technical cooperation contracts worth about 130 billion U.S. dollars, expo organizer said.Among all contracts, 5.5 billion dollars are clinched between Chinese and foreign companies, while 124 billion dollars are among Chinese companies, the organizer said.About 50,000 officials and business people from China and about 30 countries, regions and international organizations attended the trade fair, which also attracted an audience of more than 300,000 people.The event was upgraded from the 19-year-old China Urumqi Foreign Economic Relations and Trade Fair, a regional trade fair, last year.The fair covered an area of nearly 80,000 square meters for its more than 4,000 exhibition booths, according to the organizer.

SAN FRANCISCO, Aug. 3 (Xinhua)-- Google's top legal officer on Wednesday posted a scathing blog post, accusing Microsoft, Apple, Oracle and other companies of waging "bogus" patent wars over smartphone technologies.More than 550,000 Android devices are activated daily, but the success of the mobile operating system has yielded "a hostile, organized campaign against Android by Microsoft, Oracle, Apple and other companies, waged through bogus patent," said Google Senior Vice President and Chief Legal Officer David Drummond."Microsoft and Apple have always been at each other's throats, so when they get into bed together you have to start wondering what's going on," wrote Drummond at the beginning of the blog post under the heading "When patents attack Android."The top legal officer lashed out the coalition that Apple and Microsoft formed to buy Novell patents and Nortel patents.Last month, Google was outbid by the 4.5 billion bid made by the winning consortium of companies that includes Apple, Microsoft, Research in Motion, Sony, Ericsson and EMC on Canadian company Nortel Network's patent portfolio.The Nortel portfolio, which is in all of the companies'best legal interests, includes patents on 3G and 4G wireless networking, optics, voice processing, semiconductors and more.Last December, an unnamed consortium of companies, organized by Microsoft and including Apple, EMC and Oracle, also outbid Google for nearly 900 patents of software company Novell.Patent litigation between technology companies have been flaring up particularly over mobile devices and technology.Last August, Oracle accused Google of infringing on patents related to Java, which the database giant acquired when it took ownership of Sun Microsystems in early 2010.Microsoft is suing device makers who use Android, including Barnes & Noble, Motorola and HTC.Drummond wrote that "We're also looking at other ways to reduce the anti-competitive threats against Android by strengthening our own patent portfolio. Unless we act, consumers could face rising costs for Android devices -- and fewer choices for their next phone."

WASHINGTON, June 8 (Xinhua) -- Hundreds of small genetic variations are associated with autism spectrum disorders, including an area of DNA that may be a key to understanding why humans are social animals, according to a multi-site collaborative study led by researchers at Yale University.To be published Thursday in the journal Neuron, the study reinforces the theory that autism, a disorder that develops in early childhood involving impairments in social interaction, language deficits and distinctive behaviors, is not caused by one or two major genetic defects, but by many small variations, each associated with a small percentage of cases.The study looked at more than 1,000 families in which there was a single child with an autism spectrum disorder, an unaffected sibling and unaffected parents. The team compared individuals with autism to their siblings to determine what types of genetic changes distinguished the affected child from the unaffected child.One of the most intriguing of these findings points to the same small section of the genome that causes Williams syndrome -- a developmental disorder marked by high sociability and an unusual aptitude for music.In autism, there is an increase in the chromosomal material, an extra copy of this region, and in Williams syndrome, there's a loss of that same material," said lead author Matthew State. "What makes this observation particularly interesting is that Williams syndrome is known for a personality type that is highly empathetic, social, and sensitive to the emotional state of others. Individuals with autism often have difficulties in the opposite direction. This suggests that there is an important key in that region to understanding the nature of the social brain."State and his team also found about 30 other regions in the genome that are very likely contributing to autism and are focused on about six of those regions that showed the strongest evidence."We're now moving on to a second phase of the study looking at an additional 1,600 families and should be able to identify multiple new regions that are strongly implicated in autism," he said.

WELLINGTON, July 26 (Xinhua) -- Children born early are less likely to develop serious behavioral problems than previously thought because previous studies may have relied too much on the opinions of "sensitive" parents, according to a controversial New Zealand research.The study by the Child Development Research Group at the University of Canterbury looked at the emotional and behavioral adjustment of children born very preterm (VPT).It showed that by age 6 children born very preterm (less than 33 weeks) were at an increased risk of emotional and attentional problems when compared with their full term peers, said a statement from the university.However, the findings suggested the risks may be lower than previous studies had suggested, because previous studies primarily relied on parents to provide information on their children's conditions, said lead author Samudragupta Bora."While parents are an important source of information about their child, it is also important to gather information from other significant people in the child's life such as their classroom teacher," said Bora.Bora and other members of the research team, found that parents reported higher rates of emotional and attention problems in their children than teachers did."Having a baby born prematurely is an extremely stressful experience for parents. During their baby's stay in the neonatal unit most parents will have been alerted to the possibility of their child developing problems such as behavioral difficulties in the future due to being born too early. Therefore, very understandably, many parents of these children are very sensitive to the possibility of developmental problems," he said."The use of multiple informants - parents, teachers and clinical observation - to assess VPT children's well-being is important to minimize the effects of report source bias and the over or under-identification of adjustment problems in children born VPT," said Bora."This is controversial because it shows that reliance on parents or teachers alone can lead to data validity issues."Although children born VPT were at higher risk of showing emotional and attentional problems, the risks of more severe problems were relatively modest, said Bora.The findings have been published the Journal of Paediatrics and Child Health.

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