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BEIJING, May 16 (Xinhuanet) -- NASA is close to deciding on a landing site for its Mars rover Curiosity mission by narrowing the choices to four, media reports said Monday.Scientists in the close-knit Mars research community get one last chance to make their case this week when they gather before the "judges" — the team running the 2.5 billion U.S. dollar mission that will soon suggest a landing site to NASA, the ultimate decider."All four of these places are compelling places on Mars to study. There's not a loser among them," said landing site scientist Matt Golombek of the NASA Jet Propulsion Laboratory, one of the meeting's leaders.The mission will use rover Curiosity to study whether a selected area will have environmental conditions suitable for life and for preserving evidence about whether extraterrestial life has existed.Being nuclear-powered, the rover cannot go to a location that has either water or ice within one meter of the surface.The size of a mini Cooper, Curiosity is scheduled to launch in late November after a two-year delay.

COPENHAGEN, April 30 (Xinhua) -- As traditional Chinese medicine (known as TCM in Europe) becomes increasingly popular worldwide and has gradually been regarded as a useful component to Western medical treatments, Denmark is no stranger to such trends.According to a study published by the University of Copenhagen in mid-Feb., up to one-third of Danish hospitals choose complementary or alternative therapies, including TCM methods, to treat pain, cancer, mental disease, tumors and infertility. Acupuncture remains the most widely-practiced form of these treatments, used in some 97 percent of the cases.The nationwide acceptance of acupuncture and massage therapists, the growing ranks of herbal practitioners, and the hosting of an annual pan-Scandinavian TCM conference since 2007, all underline the popularity of alternative medicine, including the TCM, in the country.However, the overall market presence of TCM, and herbal medicines in particular, is relatively small in Denmark and Europe at large. As many European policymakers insist that traditional herbal medicines "are neither scientifically documented nor tested according to Western requirements," these treatments face difficulties in obtaining licenses and boosting sales in Europe.In fact, despite their historical pedigree and widely-accepted efficacy, TCM products are often classified as "healthcare products" or "food," rather than "drugs" in European markets.A big challenge for TCM products to gain more access to the continent is the EU's Traditional Herbal Medicinal Products Directive, which stipulates that all such products must obtain authorization if they are to be sold within the EU, starting May 1, 2011.The directive says producers must prove the product in question has been used for 30 years, 15 of which within the EU, so as to ensure its safety.While licensing is expected to be onerous and expensive, Denmark has tried to bring TCM products into the Western medical mainstream from as early as 2005. The country's well-developed biochemical and medical industry, modernized agriculture and horticulture sectors and a strong track record of cooperative research in these fields, has helped TCM's cause.For instance, Traditional Complementary Medicine Denmark, a company helping herbal product makers market their goods in Western countries, uses modern biotechnology processes and clinical trials to scientifically verify and document the efficacy of existing herbal medicines.It also advises herbal product makers on how to align their standards with European requirements so as to acquire the necessary sales licenses. Sometimes, simple solutions like clearer and more detailed labeling of a TCM product's ingredients can help improve its marketability. Patent applications and drug approvals procedures must follow, before the product can access the EU pharmaceutical market, usually in pill form.Investing in herbal medicine also makes financial sense for Denmark, as it is encourages development of low-bulk, high-value agricultural products, which can be easily transported all over the globe.Development Centre Aarslev, a Danish agro-research body and partner of TCM Denmark, studies the active ingredients contained in medicinal plants and their impact on human health conditions such as cardiovascular problems, diabetes and allergies. One of the earliest collaborations it undertook with a producer of herbal medicine showed the effectiveness of extracts from the hips of the dog rose plant in treating rheumatoid arthritis.A spokesperson for the institution said, "We have documented analytical evidence which shows that arthritis patients can reduce their consumption of conventional anti-arthritis drugs by up to 50 percent, if they combine them with the herbal drug based on dog rose hips."Given Denmark's population of 5.5 million people, this could translate into savings of 200 million U.S. dollars a year on anti-arthritis medication, the spokesperson added.Other plant-based interventions could hold wider public health benefits. TCM practitioners say herbal medicines can improve blood circulation in humans, and contain naturally-occurring antioxidants which can reduce the risks of heart attacks and better regulate cardiovascular functions. This has potentially wide-ranging benefit for Western societies, where heart disease is a major threat.Heart disease was the most common cause of death in Denmark until 2000, and cardiovascular disease the commonest until 2008, with cancer now ranking the biggest killer.In fact, TCM herbal remedies are also considered a good choice for cancer treatment, as certain plants contain hormone-like substance which can influence hormone-dependent cancers, such as breast and prostate cancer.TCM supporters say the obvious benefit of such an intervention is the avoidance of more commonly-used chemotherapy and radiation treatments which often produce severe side-effects in patients. Relevant herbal therapies can help strengthen cancer patient's immune system, reduce side-effects of chemotherapy and radiation therapy, and alleviate other symptoms of the disease.Given the many potential benefits of TCM, the EU's tightening of rules may appear harsh. Still, TCM is considered a relatively novel approach to medicine in Europe. Moreover, the dominant market share and general clout of the chemical-based, Western pharmaceutical industry also makes it difficult for traditional remedies to stake their claim.

LUQA, Malta, Feb. 26 (Xinhua) -- A chartered plane of China Eastern Airlines carrying 272 Chinese evacuees from Libya left Malta for Shanghai on Saturday.The Airbus A330-300 plane took off at 8:20 p.m. local time ( 1920 GMT) from the Malta International Airport, to be followed shortly by another chartered plane of China Eastern Airlines with 278 Chinese evacuees on board.The 550-strong Chinese nationals from a Chinese construction company were among a total of 2,216 people who arrived by a ship from violence-torn Libya at the Grand Harbor in Valletta, capital of Malta, on Saturday.In addition to the 2,216 Chinese nationals, the ship chartered by the Chinese embassy in Malta also carried dozens of citizens of other countries.The vessel, which was the first Maltese ship chartered by the Chinese government to evacuate Chinese nationals, left Libya's Benghazi on Friday.Maltese Deputy Prime Minister and Foreign Minister Tonio Borg, who went aboard the ship, expressed gratitude to the Chinese government for helping to evacuate some Maltese nationals from Libya.Chinese Ambassador to Malta Zhang Keyuan also thanked the Maltese government for its cooperation in the evacuation of Chinese nationals.A 19-day-old baby was among the evacuated Chinese, said a source with the Chinese embassy.China Eastern Airlines will fly four planes every day to the Mediterranean island nation from Feb. 28 to March 10, as part of all-round airborne evacuation missions aimed at taking stranded Chinese citizens back home as soon as possible, according to information from an emergency meeting of the Civil Aviation Administration of China (CAAC) in Beijing on Saturday.

BEIJING, May 24 (Xinhuanet) -- The PlayStation Network's shutdown caused by hacker's attack has cost Sony 14 billion Japanese yen, or 171 million U.S. dollars.Sony revealed the figure on Monday as a part of its overall loss in the massive earthquake and tsunami, 3.2 billion U.S. dollars, in the company's fiscal year ending on March 31, 2011.The 171 million U.S. dollars cover the lost revenue, the customer compensations, the security and legal enhancement fees and the free games the company offered as a goodwill gesture.The cyber-attacks, which kept the PlayStation Network offline from April 20 to May 15, involved the theft of personal data from more than 100 million accounts of the gamers.But the crisis was far from over yet."So far, we have not received any confirmed reports of customer identity theft issues, nor confirmed any misuse of credit cards from the cyber-attack," the company said, "Those are key variables, and if that changes, the costs could change."

BEIJING, March 22 (Xinhuanet) -- An autopsy began Monday on Berlin zoo's superstar polar bear Knut who died suddenly on Saturday, media reports said.However, it remained unclear when the results from the post-mortem examination of Knut would be published."I cannot give you a timeline. We will inform the public when we know what the exact cause was," AFP quoted spokeswoman Claudia Bienek as saying.Knut died while sunbathing at Berlin zoo in Germany in front of visitors. The four-year-old swivelled around several times before falling backwards into the water in his enclosure.Witnesses said he suffered a series of convulsions and appeared to have had an epileptic fit or a heart attack.Knut was born in 2006 to a female bear who rejected him at birth. He was hand-raised by his keeper at the zoo. Films were made about him and he appeared on the front cover of Vanity Fair magazine and earned the zoo about 7.11 million U.S. dollars.More than 15,000 Knut fans have so far paid tribute to him on Berlin zoo's website. Hundreds more have flocked to the zoo in person to lay flowers at his enclosure.