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SAN FRANCISCO, March 20 (Xinhua) -- Boeing's 747-8 Intercontinental took to the sky for the first time on Sunday, a milestone for the U.S. aviation giant's latest and biggest passenger plane.Live webcast by Boeing showed that a 747-8 Intercontinental touched down at around 2:25 p.m. PST (2125 GMT) Sunday at the Boeing Field airport in Seattle in the U.S. states of Washington, after wrapping up the airplane's inaugural flight that lasted about four and half hours.During the test flight, the pilots did some system and function checks and everything went fine, according to the webcast.The new 747-8 Intercontinental can carry 467 passengers in a three-class configuration, said Boeing, which touted the new wide- body jet airliner as the only airplane in the 400-500 seat market.The Boeing 747-8 Intercontinental takes off on its maiden flight from Paine Field, in Everett, Washington, March 20, 2011. The 747-8 Intercontinental willseat 467 passengers, 51 more than the latest model of the classic 747, and burn less fuel while offering passengers more comfort, the U.S. planemaker says.Using 787-technology GEnx engines, the airplane will be quieter, produce lower emissions and achieve better fuel economy for airlines, Boeing said.The airplane also features a new wing design and an upgraded flight deck. Its interior incorporates features from the Boeing 787 Dreamliner including a new curved, upswept architecture that will give passengers a greater sense of space and comfort, while adding more room for personal belongings.Boeing has noted that compared with its predecessor, the 747- 400, the 747-8 Intercontinental provides 16 percent better fuel economy, 16 percent less carbon emissions per passenger and generates 30 percent smaller noise footprint, while carries 51 more passengers.Boeing in February said that Korean Air, VIP customers and launch customer Lufthansa have ordered a total of 33 747-8 passenger planes, with the first delivery scheduled for the fourth quarter of this year.It is reported that the 747-8 Intercontinental has a list price of about 317 million U.S. dollars.Earlier in March, Boeing announced that it has signed an agreement with Air China for the purchase of five 747-8 Intercontinental jetliners.

WASHINGTON, May 20 (Xinhua) -- The U.S. Food and Drug Administration (FDA) on Friday approved Sutent to treat patients with progressive neuroendocrine cancerous tumors located in the pancreas that cannot be removed by surgery or that have spread to other parts of the body.Neuroendocrine tumors found in the pancreas are slow-growing and rare. It is estimated that there are fewer than 1,000 new cases in the United States each year.This is the second new approval by the FDA to treat patients with this disease. On May 5, the agency approved Afinitor."FDA believes it is important to provide cancer patients with as many treatment options as possible," said Richard Pazdur, director of the Office of Oncology Drug Products in the FDA's Center for Drug Evaluation and Research. "The agency is committed to working with companies to bring innovative new therapies to the market and encourages companies to continue exploring additional uses for approved products."The safety and effectiveness of Sutent was established in a single study of 171 patients with metastatic (late-stage) or locally advanced (disease that could not be removed with surgery) disease who received Sutent or a placebo (sugar pill). The study was designed to measure the length of time a patient lived before their disease spread or worsened (progression-free survival).Results from the study demonstrate that Sutent provided benefit to patients by prolonging the median length of time they lived without the cancer spreading or worsening to 10.2 months compared to 5.4 months for patients who received placebo.In patients treated with Sutent for neuroendocrine pancreatic tumors, the most commonly reported side effects included diarrhea, nausea, vomiting, fatigue, anorexia, high blood pressure, energy loss, stomach pain, changes in hair color, inflammation of the mouth, and a decrease in infection-fighting white blood cells.Sutent is marketed by New York City-based Pfizer.

LOS ANGELES, May 14 (Xinhua) -- Thousands of visitors, many of them children, went to the Jet Propulsion Laboratory (JPL) in Pasadena, California for the annual open house Saturday to experience the excitement in explorations.To many visitors, the open house is a rare opportunity to see the federally funded research and development center and the National Aeronautics and Space Administration (NASA) field center, which is close to the public. JPL is managed by California Institute of Technology.The event, themed "The Excitement in Explorations," provides visitors with the chance to share in the wonders of space through high-definition and 3-D videos, live demonstrations, interactions with scientists and engineers, and a first look at JPL's new Earth Science Center.The Earth Science Center showcases the home planet and JPL's Earth science missions. Since it was the first time open to the public, it attracted many visitors who had to wait for over an hour to get admitted.Visitors first passed by two touchscreens located on opposite walls of the facility that control real-time views of "Eyes on the Earth," an interactive 3-D visualization website. Visitors also had the opportunity to watch a movie in the 3-D theater, which seats up to 40 people.Other Open House highlights include: A chance to see the most unique car in this world before it leaves Earth: The next rover bound for Mars, Mars Science Laboratory/Curiosity, in the "clean room" before it is shipped to Florida for a November 2011 launch.JPL further runs its own "reality TV show" via live-streaming webcam: http://www.ustream.tv/nasajpl.The life-size rover models in a "Mars" test bed is another attraction and a perennial crowd-pleaser. Named the Robo-Dome, it is where visitors could see a pair of 700-pound robots gliding in a high-tech arena under artificial stars.The Robo-Dome is used to simulate complex maneuvers that could be used for future space missions.The year 2011 is an exciting year for JPL's robotic explorers. In the past twelve months, two spacecraft made close encounters of comets. This summer, the Dawn spacecraft will arrive at the giant asteroid Vesta.In 2011, JPL will launch the Aquarius satellite studying Earth' s ocean, the Juno mission to Jupiter, the Gravity Recovery and Interior Laboratory's twin spacecraft to Earth's moon, and JPL's next-generation rover - Mars Science Laboratory's Curiosity.

BEIJING, April 14 (Xinhuanet) -- The discovery of a sharp-toothed dinosaur fossil in New Mexico, the United States, may bridge a gap in the evolution of the species, researchers said in Wednesday's journal Proceedings of the Royal Society B.Researchers from the Smithsonian Institution unearthed the dinosaur skull and neck vertebrae in Abiquiu, New Mexico, where it had remained buried for around 230 million years. The short snout and slanting front teeth of the find — Daemonosaurus chauliodus — had never before been seen in a Triassic era dinosaur, said Hans-Dieter Sues of the Smithsonian's National Museum of Natural History.Sues, curator of vertebrate paleontology at the museum, said the discovery helps fill the evolutionary gap between the dinosaurs that lived in what is now Argentina and Brazil about 230 million years ago and the later theropods like the famous Tyrannosaurus rex."Various features of the skull and neck in Daemonosaurus indicate that it was intermediate between the earliest known predatory dinosaurs from South America and more advanced theropod dinosaurs," said Sues."One such feature is the presence of cavities on some of the neck vertebrae related to the structure of the respiratory system," he added.The discovery suggests that there is still much to be learned about the early evolution of dinosaurs."The continued exploration of even well-studied regions like the American Southwest will still yield remarkable new fossil finds," Sues said.

XI'AN, March 31 (Xinhua) -- Archeologists in the northwestern Shaanxi Province confirmed Thursday, after weeks of lab work, that the bones they found in a bronze cooking vessel from a 2,400-year-old tomb belonged to a male dog under a year old.Altogether 37 bones were found in the cooking vessel, which was unearthed in November 2010 from a tomb near the Xianyang International Airport in the suburbs of Xi'an, said Liu Daiyun, a researcher with the Shaanxi Provincial Archeological Institute."When we opened the 20-cm tall cooking vessel, we were shocked to find bones and soup inside," said Liu.The bones and soup had all turned greenish, similar in color to the bronze container, he said.Cooking vessels were a typical offering Chinese once presented to their deceased ancestors, said Liu.The custom became prevalent around the Warring States Period (475 - 221 BC), the time Liu and his colleagues believed this dog stew was offered.Hu Songmei, a researcher who did most of the lab work to identify the bones, said they found the bones were "strikingly similar" to four complete sets of canine skeletons preserved at the institute's lab.The newly found bones, however, were smaller, indicating the dog was just a pup, said Hu.Hu said further lab work was needed to tell the exact species of the canine. "Dogs were domesticated by humans at least 10,000 years ago, but the early dog species that evolved from wild wolves could be very different from today's pet dogs."Besides the dog bones, experts also found a wine-like liquid in another airtight kitchen ware from the same tomb. "Whoever the tomb owner was, he must have loved liquor and meat, so his sons wished he could still enjoy the feast in his grave."