China science, technology news summary -- Oct. 7

BEIJING, Oct. 7 (Xinhua) -- The following is a summary of published science and technology news of China.

HEART DISEASE TREATMENT

A Chinese hospital specializing in cardiovascular care has widely applied a radiation-free percutaneous intervention method in its treatment of heart disease.

The treatment, introduced by Fuwai Hospital under the Chinese Academy of Medical Sciences, is guided by ultrasou