BEIJING, Jan. 20 (Xinhua) -- The following is a summary of published science and technology news of China.

ICE-BREAKING BUOY TENDER

China's first ice-breaking buoy tender Haixun 156 was recently put into service in north China's Tianjin.

Haixun 156, or Sea Patrol 156, is operated by the Northern Navigation Service Center, Maritime Safety Administration, under the Ministry of Transport.

Chai Jinzhu, director of the center, said that the vessel will be mainly used for the maintenance of navigation aid facilities in frozen ports and waterways in north China, and is also useful for emergency search and rescue, and cleaning-up tasks.

DIET & TUMOR GROWTH

A Chinese research team has found that dieting can prevent tumor growth with the help of bacteria in one's gut.

The study, published in the journal Nature Metabolism this week, revealed that calorie restriction could protect against a tumor formation type through a mechanism dependent on the gut microbiota in female mice.

STELLAR MASS

Chinese astronomers recently discovered a distribution law of stellar mass that applies when stars are born. The new finding challenges a classical theory of astrophysics, and will have a profound impact on frontier research in fields such as the evolution of stars, galaxies and the universe.

A research team, led by Liu Chao, a researcher at the National Astronomical Observatories of China under the Chinese Academy of Sciences, found that stellar initial mass function varies with metallicity and time, and the discovery was published in the latest issue of the academic journal Nature. Enditem

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