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CANBERRA, May 27 (Xinhua) -- An Australian student has discovered a part of the universe that astrophysicists have spent decades trying to find, Australia's Monash University on Friday confirmed in a statement.Astrophysicists have long thought the universe has a greater mass than is visible in the planets, but they had no way of proving it is there.Undergraduate student Amelia Fraser-McKelvie, 22, was on a summer internship at Monash University to learn more about astrophysics, when she managed to solve one of the big mysteries of science.Fraser-McKelvie, an aerospace engineering student, conducted a targeted X-ray search for the matter and found evidence of it within three months.Her tutor, Kevin Pimbblet, said the discovery is significant."We've been looking for this ordinary matter for a couple of decades," he said in a statement on Friday."It's been published in one of the most prestigious journals in the world, so astronomers all over the world will be able to read this article."Scientists had thought the matter would have a temperature of about 1 million degrees Celsius, 1.8 million degrees Fahrenheit, and should therefore be observable at X-ray wavelengths.Amelia Fraser-McKelvie's discovery has proved that prediction is correct, Pimbblet said.The trio published a research paper on the missing mass in one of the world's oldest and most prestigious scientific journals, Monthly Notices of the Royal Astronomical Society.He said the discovery could change the way telescopes are built.

BEIJING, Jan. 30 (Xinhua) -- A total of 248 people were arrested in China last year for involvement in food safety cases, food safety authorities said Sunday.The country dealt with 130,000 cases involving food safety last year, including 115 criminal cases, according to a statement of the National Food Safety Regulating Work Office.The cases touched upon such areas as production of edible agricultural produce, food production, food circulation, catering services and food exports and imports,"No major incident occurred last year, and the overall food safety situation maintained stable," said the statement.Last year also saw a nationwide crackdown on "gutter oil", usually made from discarded kitchen waste that has been refined, after media reports that it was commonly used by small restaurants.Since July when the State Council, or Cabinet, ordered the eradication of "gutter oil", 165.7 tons of edible oil has been confirmed to have been disqualified and produced by unknown sources.Chinese authorities since July last year have also cracked down on the use of undisposed tainted milk powder produced before the melamine scandal of 2008.About 2,132 tonnes of melamine-tainted milk powder was seized in the latest crackdown, the statement said.A total of 191 officials were punished for failing to do their duty in food safety enforcement, with 26 of them fired, it said.In July last year, Dongyuan milk powder, produced in west China's Qinghai Province, was found to contain excessive levels of melamine, a toxic chemical normally used in the manufacturing of plastics, which triggered the nationwide crackdown.It is the latest blitz on tainted milk products since 2008 when melamine-tainted milk powder killed at least six infants and sickened 300,000 children across the country.

BEIJING, Feb. 5 (Xinhua) -- China's railways transported about 77.34 million passengers during the fifteen days (Jan. 19 to Feb. 2) before the Spring Festival, the Ministry of Railways said.The figure was about 9.5 percent higher than the same period last year and set a new record, according to a report posted on the ministry's website.There were an average of 5.16 million passengers per day, up 448,000 from the same period last year. On Jan. 29, passengers topped 5.78 million, setting a new record for daily transportation before the Spring Festival, the report said.In the fifteen days before the festival, about 4.80 million passengers left Beijing, 8.39 million left Guangzhou and 5.69 million left Shanghai, while year-on-year growth and those leaving Guangzhou rose the most, up 15 percent year on year, said the report.The ministry said challenges still exist as more snow and rain will hit southern China after the Spring Festival, when passengers are returning.China's busy Spring Festival transportation season runs for 40 days and is calculated in two phases: 15 days before the Spring Festival and 25 days after the Spring Festival, the report explained.

ABU DHABI, Feb. 10 (Xinhua) -- China is willing to deepen friendship, broaden cooperation, and enhance coordination with the United Arab Emirates (UAE) in international and regional affairs, visiting Chinese Foreign Minister Yang Jiechi said Thursday.During a meeting with Abu Dhabi Crown Prince Sheikh Mohammed bin Zayed Al Nahyan, Yang said China and the UAE have witnessed in recent years rapid development in their bilateral ties, with closer high-level contacts, increasingly strengthened mutual political trust, fruitful cooperation in such areas as trade and economy, and broadened cultural exchanges.China has praised the UAE's support in Xinjiang-related and human rights issues, he added.For his part, Sheikh Mohammed said the UAE-China relations are currently at an important period of in-depth development and faced with good opportunities.The UAE attaches great importance to its relations with China and hopes to cement the traditional friendship between the two countries and develop pragmatic cooperation in various fields, he added.Sheikh Mohammed said the UAE expects that China will continue to play a positive role in international and regional affairs.Earlier in the day, Yang also met with his UAE counterpart Sheikh Abdullah bin Zayed Al Nahyan. Both sides reached broad consensus after exchanging views on bilateral ties and regional issues of common concern.The Chinese foreign minister arrived in the UAE capital of Abu Dhabi late Wednesday for an official visit to the Gulf nation.

LOS ANGELES, April 8 (Xinhua) -- NASA's Wide-field Infrared Survey Explorer (WISE) has discovered a rare asteroid that traces out a horseshoe shape relative to Earth, the Jet Propulsion Laboratory (JPL) said on Friday.Unlike most near-Earth asteroids (NEAs) that have eccentric, or egg-shaped, orbits that take the asteroids right through the inner solar system, the new object has an orbit that is almost circular such that it cannot come close to any other planet in the solar system except Earth, JPL said.However, even though the asteroid rides around with Earth, it never gets that close, said JPL in Pasadena, Los Angeles.As the asteroid approaches Earth, the planet's gravity causes the object to shift back into a larger orbit that takes longer to go around the sun than Earth. Alternately, as Earth catches up with the asteroid, the planet's gravity causes it to fall into a closer orbit that takes less time to go around the sun than Earth, according to JPL.The asteroid therefore never completely passes our planet. This slingshot-like effect results in a horseshoe-shaped path as seen from Earth, in which the new object, designated 2010 SO16, takes 175 years to get from one end of the horseshoe to the other, JPL said."The origins of this object could prove to be very interesting, " said Amy Mainzer of JPL, the principal investigator of NEOWISE, which is the asteroid- and comet-hunting portion of the WISE survey mission. "We are really excited that the astronomy community is already finding treasures in the NEOWISE data that have been released so far."JPL manages and operates the WISE for NASA's Science Mission Directorate, Washington.