BEIJING, May 14 (Xinhua) -- The following is a summary of published science and technology news of China.

NEW TECHNOLOGY TO PRODUCE ARTEMISININ

Chinese researchers have developed a new technology to produce artemisinin, the top choice for malaria treatment, on a large scale.

Researchers proposed enhancing contact between the solvent and the leaves by reflux to speed up the artemisinin extraction. The extraction time was reduced from seven hours to four and a half.

5G COVERAGE IN BEIJING'S HI-TECH ZONE

Beijing's economic-technology zone in Yizhuang, in the southeast suburbs of the capital, will have 5G coverage by the end of this year, according to local authorities .

By the end of this year, the area will build over 200 5G base stations, covering the whole area, according to a conference held in Yizhuang.

STUDY ON EVOLUTIONARY EXPLOSION

A team of paleontologists from China, Britain and Russia recently discovered that the oxygen content changes of the atmosphere and ocean were key factors affecting the Cambrian evolutionary explosion of animals 540 million years ago.

INNOVATION FORUM

The Pujiang Innovation Forum will be held in Shanghai from May 24 to 26, according to the Ministry of Science and Technology.

The forum will explore the future development of science and technology, the impact of technological innovation on the economy and urban development, and the new vision and new future of global technological innovation. Enditem