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WASHINGTON, Aug. 17 (Xinhua) -- Latest research shows that the Moon could be younger than previous estimates. The findings were published online Wednesday in the Nature journal.The prevailing theory of the Moon's origin is that it was created by a giant impact between a large planet-like object and the proto-Earth. The energy of this impact was sufficiently high that the Moon formed from melted material that was ejected into space. As the Moon cooled, this magma solidified into different mineral components. Analysis of lunar rock samples thought to have been derived from the original magma has given scientists a new estimate of the Moon's age.According to this theory for lunar formation, a rock type called ferroan anorthosite, or FAN, is the oldest of the Moon's crustal rocks, but scientists have had difficulty dating FAN samples. The research team used newly refined techniques to determine the age of a sample of FAN from the lunar rock that was brought back to Earth by the Apollo 16 mission in 1972.The team analyzed the isotopes of the elements lead and neodymium to place the FAN sample's age at 4.36 billion years. This figure is significantly younger than earlier estimates of the Moon's age that range as old as the age of the solar system at 4. 568 billion years. The new, younger age obtained for the oldest lunar crust is similar to ages obtained for the oldest terrestrial minerals -- zircons from western Australia -- suggesting that the oldest crusts on both Earth and Moon formed at approximately the same time, and that this time dates from shortly after the giant impact.This study is the first in which a single sample of FAN yielded consistent ages from multiple isotope dating techniques. This result strongly suggests that these ages pinpoint the time at which the sample crystallized."The extraordinarily young age of this lunar sample either means that the Moon solidified significantly later than previous estimates, or that we need to change our entire understanding of the Moon's geochemical history," Carnegie Institute of Science's geochemist and study author Richard Carlson said.

BANJUL, June 24 (Xinhua) -- Deputies at the Gambian National Assembly (parliament) on Friday passed a new bill entitled the "Food Safety and Quality Bill 2011".Under the new act, food operators are obliged to ensure food safety, quality production, processing and distribution within the business under their control and that their products must satisfy the requirements and regulations as demanded.Submitting the motion before deputies, Vice President and Minister for Women Affairs Isatou Njie-Saidy warned that the well- being of "our citizenry is at stake.""Giving our continuous drive to place health care on top of our development agenda, we call on all and sundry to join the bandwagon in the implementation of this bill," she said.She told deputies that the bill and the establishment of the Gambia Food Safety and Quality Authority is consistent with the regulation worked out by the West African bloc ECOWAS on the health and safety of plants, animals and food in the region.The Gambia Food Safety and Quality Authority being established by this bill will be the sole national competent authority having unitary responsibility for food safety and quality, she declared."In order to achieve the general objectives of a high level of protection of human health and life, measures applied under this Act shall be based on risk assessment," she added.

BEIJING, July 5 (Xinhuanet) -- A new study showed that environmental factors may play a larger role in the development of autism than previously recognized, according to media reports on Tuesday.The new study in the Archives of General Psychiatry looked at 192 pairs of twins in California. It found autism was surprisingly common in fraternal twins, despite the fact that they don’t share as many of the same genes as identical twins, suggesting that something in their mutual life circumstances may be playing at least as strong a role as genetics.The study, which will likely be followed up with similar studies of twins and other siblings, could  force a dramatic swing in the focus of research into the developmental disorder.“It looks like some shared environmental factors play a role in autism, and the study really points toward factors that are early in life that affect the development of the child,” said study researcher Joachim Hallmayer, MD, an associate professor of psychiatry at Stanford University in California.

SAN FRANCISCO, June 28 (Xinhua) -- Microsoft on Tuesday launched its cloud service Office 365, which was the software giant's answer to competing products from Google and other companies.The service includes on-line versions of Word, PowerPoint, Excel, Outlook and other Office applications, as well as Microsoft 's communication and collaboration tools such as Exchange, SharePoint and Lync.It will allow users to work on files and documents at the same time using instant messaging and video-conferencing."Where does Office meet the cloud? It's Office 365, the absolute best productivity and collaboration service for business around the world," Microsoft CEO Steve Ballmer said at a webcast event.Microsoft said that Office 365 is now available in 40 markets with choices for small and big businesses ranging from 2 to 27 U.S. dollars per user per month.Office 365 will compete directly with the web-based Google Apps, which Google sells for 50 dollars per user per year.Microsoft's service was introduced in beta last year and the company said response was enthusiastic with more than 200,000 organizations signed up and began testing it in a few months."With a few clicks, Office 365 levels the playing field, giving small and midsize businesses powerful collaboration tools that have given big businesses an edge for years," Ballmer said in a statement.

SHENZHEN, June 4 (Xinhua) -- Chinese scientists who have fully sequenced the genome of the new E. Coli spreading through Europe said Saturday they found genes in the bacteria that gave it resistance to eight classes of antibiotics.Researchers with the Beijing Genomics Institute, the world's largest DNA sequencing center, have found genes in the newly identified 0104 strain of E. Coli bacteria that made it resistant to major classes of antibiotics including sulfonamide, cephalothin, penicillin and streptomycin.This helped explain why doctors in Europe had difficulties in fighting the bug that has killed 18 people and sickened nearly 2,000, BGI's major research arm in Shenzhen said on its website Saturday.This would help doctors choose right medicines for the treatment, it said.The researchers are developing a diagnostic kit which will be used to detect the bacteria and prevent the epidemic from spreading further.The Chinese researchers obtained DNA samples of the bacteria from collaborating scientists in Germany and fully sequenced its genome in three days this week.They announced on Thursday the E. Coli spreading through Europe was "a new strain of bacteria that is highly infectious and toxic".The 0104 strain of E. Coli was not previously involved in any E. Coli outbreaks. However, it has 93 percent sequence similarity with the EAEC 55989 E. Coli strain which was isolated in the Central African Republic and known to cause seriously diarrhea, BGI said.The source of the outbreak is unknown, but scientists say it is highly likely to have originated in contaminated vegetables or salad in Germany.