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MOSCOW, March 11 (Xinhua) -- A new crew which are to depart for the International Space Station (ISS) at the end of March have successfully passed the pre-flight tests, the Russian Federal Space Agency (Roscosmos) announced on Friday.At a press conference held at Russia's Cosmonauts Training Center, a Roscosmos spokesman said two Russian cosmonauts Andrei Borisenko and Alexander Samokutyaev and a U.S. astronaut Ronald Garn will leave for the ISS by a Russian Soyuz-TM-21 spacecraft on March 30.On March 17, the three crew members and their backup crew members, Anton Shkaplerov, Anatoly Ivanishin and Daniel Burbank, will make their final preparation for the space trip in the Baikonur space site in Kazakhstan.According to the Roscosmos, the three main crew members are expected to spend 170 days in the ISS. During the period, they will receive two U.S. space shuttles and three Russian Progress cargo ships and conduct a spacewalk.The agency also revealed the Soyuz-TM-21 spacecraft scheduled for the ISS was named as Gagarin.The year of 2011 was announced as Russia's Space Year to celebrate the 50th anniversary of the launch of the first Russian manned space flight carrying cosmonaut Yuri Gagarin in 1961 for a 90-minute flight.

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.

BERLIN, May 26 (Xinhua) -- German health officials said Thursday that cucumbers imported from Spain was one source of a recent deadly E. coli outbreak in northern states that killed three people and made hundreds sick.The Hamburg Institute for Hygiene and the Environment (HU) found that four cucumbers in a local market were contaminated by Enterohaemorrhagic E. coli (EHEC), and three of them were imported from two separate Spanish suppliers, Hamburg state health authorities said.The origin of the fourth cucumber was still under investigation, officials added.German supermarkets began to pull Spanish cucumbers off shelves Thursday afternoon following the findings in Hamburg. The food- monitoring agencies in the northern states were launching investigations on vegetable markets, the federal agriculture ministry said in a statement.Figures showed that Spain is Germany's second largest supplier of cucumbers within the European Union, accounting for some 40 percent of the country's cucumber imports.Scientists said that EHEC is a virulent strain of gut bacterium that can cause severe stomach upsets, diarrhea, stroke and coma. It would lead to kidney failure in extreme cases.Germany saw a terrible E. coli outbreak two weeks ago, starting from the northern states like Hamburg and then spreading to eastern and southern regions. German health authorities said that at least three people have died from infections, and more than 200 have been diagnosed with hemolytic-uremic syndrome (HUS), which is caused by EHEC.Germany's national disease centre, the Robert Koch Institute, suggest people avoid eating raw tomatoes, cucumbers and lettuce for a while.

WASHINGTON, May 4 (Xinhua) -- The U.S. National Aeronautics and Space Administration (NASA) announced Wednesday that its Gravity Probe B (GP-B) mission has confirmed two key predictions derived from Albert Einstein's general theory of relativity, which the spacecraft was designed to test.The experiment, launched in 2004, used four ultra-precise gyroscopes to measure the hypothesized geodetic effect, the warping of space and time around a gravitational body, and frame- dragging, the amount a spinning object pulls space and time with it as it rotates.GP-B determined both effects with unprecedented precision by pointing at a single star, IM Pegasi, while in a polar orbit around Earth. If gravity did not affect space and time, GP-B's gyroscopes would point in the same direction forever while in orbit. But in confirmation of Einstein's theories, the gyroscopes experienced measurable, minute changes in the direction of their spin, while Earth's gravity pulled at them.The findings are available online in the journal Physical Review Letters."Imagine the Earth as if it were immersed in honey. As the planet rotates, the honey around it would swirl, and it's the same with space and time," said Francis Everitt, GP-B principal investigator at Stanford University. "GP-B confirmed two of the most profound predictions of Einstein's universe, having far- reaching implications across astrophysics research."GP-B is one of the longest running projects in NASA history, with agency involvement starting in the fall of 1963 with initial funding to develop a relativity gyroscope experiment. Subsequent decades of development led to groundbreaking technologies to control environmental disturbances on spacecraft, such as aerodynamic drag, magnetic fields and thermal variations. The mission's star tracker and gyroscopes were the most precise ever designed and produced.GP-B completed its data collection operations and was decommissioned in December 2010."The mission results will have a long-term impact on the work of theoretical physicists," said Bill Danchi, senior astrophysicist and program scientist at NASA Headquarters in Washington. "Every future challenge to Einstein's theories of general relativity will have to seek more precise measurements than the remarkable work GP-B accomplished."

BEIJING，March 11 (Xinhuanet) --A poor diet during pregnancy may result in health problems such as diabetes for the offspring in later life, according media reports Friday quotting a new research.Based on a study of rats, researchers from the University of Cambridge altered the protein content of the mother's diet during pregnancy as they found that rats were more vulnerable to the effects of diseases if their mothers were malnourished while they were pregnant.Further, the study also showed that an imbalanced diet in the expectant mother can compromise the long-term functioning of a gene in the child. And the gene, named Hnf4a, is believed to play a major role in the development of the pancreas and in the production of insulin.The researchers held similar mechanisms seen in the rat study could occur in humans, and that the effects might be felt by more than just the immediate offspring."What is most exciting about these findings is that we are now starting to really understand how nutrition during the first nine months of life spent in the womb shape our long term health by influencing how the cells in our body age," said Susan Ozanne, senior author of the paper and senior fellow from the Institute of Metabolic Science at the University of Cambridge.And Jeremy Pearson, associate medical director at the British Heart Foundation, said: "The reasons why are not well understood, but this study in rats adds to the evidence that a mother's diet may sometimes alter the control of certain genes in her unborn child.""It's no reason for expectant mothers to be unduly worried. This research doesn't change our advice that pregnant women should try to eat a healthy, balanced diet," he added.

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