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SINGAPORE, July 10 (Xinhua) -- The upcoming Natural History Museum in Singapore launched a drive on Sunday to raise 12 million Singapore dollars (9.8 million U.S. dollars) by the end of the month to buy three dinosaur fossils from a company in Wyoming, the United States.The three dinosaurs on offer from the company Dinosauria International, thought to be a family, were found between 2007 and last year in the United States, the Straits Times reported on Sunday.Appollo and Prince, the two adult diplodocid sauropods, is about 24 meters long, while the baby Twinky is about 12 meters.The natural history museum is expected to be completed by 2014. The three dinosaur fossils will cost 870 million Singapore dollars, and an additional 370 million Singapore dollars will be spent to set up the exhibition."They wanted the museum to tell the story of the history of life and evolution. Dinosaurs are the history of life," said Professor Peter Ng, director of the Raffles Museum of Biodiversity Research, referring to the approval from the scientific advisory committee for the acquisition.The Raffles Museum of Biodiversity Research of the National University of Singapore went on an intensive fund raising campaign last year to build the dedicated Natural History Museum.The museum said it has found the amount to be challenging. It is therefore appealing for help from the public through the media."The idea was always to have a central gallery and put something there that would make people go 'Whoa!,'" said Ng.

WASHINGTON, Sept. 12 (Xinhua) -- An enzyme that appears to play a role in controlling the brain's response to nicotine and alcohol in mice might be a promising target for a drug that simultaneously would treat nicotine addiction and alcohol abuse in people, U.S. researchers find.Over the course of four weeks, mice genetically engineered to lack the gene for protein kinase C (PKC) epsilon consumed less of a nicotine-containing water solution than normal mice, and were less likely to return to a chamber in which they had been given nicotine. In contrast, normal mice steadily increased their consumption of nicotine solution while the mice lacking PKC epsilon did not.The study conducted by researchers at the Ernest Gallo Clinic and Research Center, affiliated with the University of California, San Francisco, appeared Monday in the online edition of the Proceedings of the National Academy of Sciences.In normal mice, as in humans, nicotine binds to a certain class of nicotinic receptors located on dopamine neurons, which causes dopamine to be released in the brain. Dopamine creates a feeling of enjoyment, and thus prompts a sense of reward. Researchers found that mice lacking PKC epsilon are deficient in these nicotinic receptors.The finding complements earlier research in which researchers found that mice genetically engineered to lack the PKC epsilon enzyme drank less alcohol than normal mice and were disinclined to return to a chamber in which they had been given alcohol."This could mean that these mice might not get the same sense of reward from nicotine or alcohol," said Gallo senior associate director and investigator Robert Messing. "The enzyme looks like it regulates the part of the reward system that involves these nicotinic receptors."The reward system is a complex of areas in the brain that affect craving for nicotine, alcohol and other addictive substances.The next step in the research, said Messing, would be to develop compounds that inhibit PKC epsilon. The ultimate goal, he added, would be medications that could be used "to take the edge off of addiction by helping people get over some of their reward craving."

TOKYO, June 19 (Xinhua) -- The Japanese gaming company Sega Corp. said in a statement on Sunday some personal information from more than 1.2 million registered users had been stolen after the website of its subsidiary based in Britain was hacked.The Sega Pass website operated by Sega Europe limited was designed to provide product news. The services were shutdown following the breach detected on Friday. They are still not resumed on the official website of the company late Sunday night and the company said it is investigating the hacking.The company said most of the users of the hacked website are in Europe and North America. A similar cyberattack had troubled the Sony group earlier in April. The hacking affected about 100 million people.

BEIJING, July 14 (Xinhuanet) -- European music service Spotify is set to launch in the United States on Thursday, according to media reports.The streaming service will be available in the morning by invitation and through subscription."Spotify is a new way to listen to and manage your music, discover new tracks and share songs and playlists with friends – music whenever you want it, wherever you are," the company said in a statement.Spotify's streaming music and subscription service have long been popular in Europe since its launch in late 2008, and the company has been aiming for a US launch for nearly as long.Spotify has inked agreements with Sony Corp Music Entertainment, EMI Music, and Vivendi SA's Universal Music Group in the last few months. It is expected to close a deal with Warner Music Group by launch or soon after, according to a source.

Beijing, Sept. 6 (Xinhua) -- A sperm donation scandal disclosed recently has aroused growing concern in the United States.According to the New York Times' report, Ryan Kramer, the son of a donor, found that he has more than 150 half-siblings - they are all the children of the same donor."It's wild when we see them all together - they all look alike," said Cynthia Daily, mother of Kramer.As more women choose to have children on their own, the demand for sperm donors has surged.Some sperm banks are earning huge profits by allowing too many mothers to receive sperms from the same popular donors, according to the report.And this trend will lead to risks: rare genetic diseases could be spread more widely, and the children of the same donor could meet and, unbeknownst to them, commit incest, medical experts warned.Parents and donors are calling for a tighter regulation so that donor children can know more about their donors, and the number of kids from each donor can be limited.