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WASHINGTON, Dec. 28 (Xinhua) -- People with diets high in several vitamins or in omega 3 fatty acids are less likely to have the brain shrinkage associated with Alzheimer's disease than people whose diets are not high in those nutrients, according to a new study published on Wednesday in the online issue of Neurology, the medical journal of the American Academy of Neurology.Those with diets high in omega 3 fatty acids and in vitamins C, D, E and the B vitamins also had higher scores on mental thinking tests than people with diets low in those nutrients. These omega 3 fatty acids and vitamin D are primarily found in fish. The B vitamins and antioxidants C and E are primarily found in fruits and vegetables.In another finding, the study showed that people with diets high in trans fats were more likely to have brain shrinkage and lower scores on the thinking and memory tests than people with diets low in trans fats. Trans fats are primarily found in packaged, fast, fried and frozen food, baked goods and margarine spreads.The study involved 104 people with an average age of 87 and very few risk factors for memory and thinking problems. Blood tests were used to determine the levels of various nutrients present in the blood of each participant. All of the participants also took tests of their memory and thinking skills. A total of 42 of the participants had MRI scans to measure their brain volume. Overall, the participants had good nutritional status, but seven percent were deficient in vitamin B12 and 25 percent were deficient in vitamin D.Study author Gene Bowman, of Oregon Health & Science University in Portland, said that the nutrient biomarkers in the blood accounted for a significant amount of the variation in both brain volume and thinking and memory scores. For the thinking and memory scores, the nutrient biomarkers accounted for 17 percent of the variation in the scores. For brain volume, the nutrient biomarkers accounted for 37 percent of the variation."These results need to be confirmed, but obviously it is very exciting to think that people could potentially stop their brains from shrinking and keep them sharp by adjusting their diet," Bowman said.

WASHINGTON, Dec. 21 (Xinhua) -- NASA's Dawn spacecraft has sent around 10,000 pictures of the giant asteroid Vesta back to Earth for the first time since its launch in 2007, the U.S. space agency announced Wednesday.The images were taken from an average altitude of 209 km, the closest the spacecraft can get.From the images, scientists could see Vesta's stippled and lumpy surface in great detail, and its many small craters, grooves, and lineaments. The fine scale of the images highlights small outcrops of bright and dark material.With these new discoveries, scientists believe that studying Vesta can help decode the early history of the solar system.Dawn will maintain its low-altitude orbit for another 10 weeks before moving to a higher orbit for another round of photo-taking.Launched in 2007, the 446 million U.S. dollar project aims at studying the chemical composition of Vesta's surface and probing its interior structure.Dawn will leave Vesta in July next year and arrive at the dwarf planet Ceres in February 2015.

BEIJING, Oct. 13 (Xinhuanet) -- Himalayas may be one of the most potential regions to provide solar power in future, according to a new research by Japanese scientists quoted by media reports Thursday. Deserts are usually regarded as the hotbeds for capturing solar power, but some of the loftiest and coldest regions can receive more energy from the sun than some deserts, said Takashi Oozeki and Yutaka Genchi, authors of the research published in Environmental Science and Technology. To set up solar cells on Himalayas would be challenging. Transmission losses and snowfall should be taken into consideration, said the researchers with the National Institute of Industrial Science and Technology in Japan. Still, the Himalayan region is attractive, because there are large energy demands in the countries nearby."It is near regions with large future energy demands such as China and India," they said.Other cold regions that can receive solar power include Andes of South America and Antarctica, according to the study.

BEIJING, Oct. 6 (Xinhua) -- China's first space lab module were in good condition and all tests went on "smoothly" during the past week, according to a statement issued by the country's space project authorities Thursday.The unmanned module, Tiangong-1, or Heavenly Palace-1, blasted off on Sept. 29 from Jiuquan Satellite Launch Center in northwest China's desert area.Tiangong-1 switched to the orbit of 362 kilometers high and had orbited the Earth for 109 times by 6:00 p.m. Thursday, the statement said.Tests on the module's remote control system, video/audio equipments, temperature/humidity sensors, docking facilities and other functions had been conducted successfully, it added.It also revealed that the Jiuquan Launch Center and other units were preparing for the launch of the Shenzhou-8 unmanned spacecraft, which is scheduled to join the Tiangong-1 later this year.Shenzhou-8 and Tiangong-1 are expected to perform China's first space docking at a height of 340 kilometers above the earth's surface.

LOS ANGELES, Dec. 21 (Xinhua) -- The late Apple co-founder Steve Jobs will be honored posthumously with a Grammy award for his contributions to music technology, The Recording Academy announced on Wednesday.Jobs, who passed away Oct. 5 of pancreatic cancer, will receive a Trustees Award for helping create products "that transformed the way we consume music, TV, movies and books," the academy said in a prepared statement.The Apple Computer Inc. first received a Technical Grammy Award in 2002, for contributions of outstanding technical significance to the recording field, the academy said.Along with Jobs, bandleader and composer Dave Bartholomew, recording engineer Rudy Van Gelder will also receive the award.The academy also picked the Allman Brothers, Glen Campbell, Diana Ross and Brazilian pianist/singer/guitarist Antonio Carlos Jobim as recipients of Lifetime Achievement Awards. Jobim was known for composing "The Girl from Ipanema," a worldwide hit in the mid-1960s which won a Grammy for Record of the Year in 1965.Other artists, including trumpeter Wayne Jackson, saxophonist Andrew Love of the Memphis Horns,country legend George Jones,and the late Gil Scott-Heron were also named as recipients.German sound-technology firm Celemony and the late audio engineer Roger Nichols, who worked with artists including Ross, Placido Domingo, James Taylor and Stevie Wonder, were recognized with Grammy Technical Awards."This year's honorees offer a variety of brilliance, contributions and lasting impressions on our culture," said President/CEO of The Recording Academy Neil Portnow. "It is an honor to recognize such a diverse group of individuals whose talents and achievements have had an indelible impact on our industry."The honorees will be formally acknowledged during the 54th Annual Grammy Awards telecast at Staples Center in downtown Los Angeles on Feb. 12, 2012.