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

STONE TOOL TECHNOLOGY

An international research team led by Chinese scientists has found that East Asian hominins had possessed advanced stone tool technology as early as 1.1 million years ago, much earlier than previously thought.

The team, led by the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences, carried out systematic study on the characteristics of stone tool technology at Cenjiawan site in Nihewan basin, northern China, revealing the earliest prepared core technology in Eurasia.

DEEP-EARTH EXPLORATION

China has achieved a significant breakthrough in deep-Earth exploration with the drilling of a superdeep borehole in Xinjiang Uygur Autonomous Region exceeding the 10,000-meter mark, making it the deepest vertical well in Asia, even though the project as a whole is not yet completed.

Located in the hinterland of the Taklimakan Desert in the Tarim Basin, "Shenditake 1" is a scientific exploratory borehole with a designed depth of 11,100 meters. In addition to searching for oil and gas resources, it is also tasked with pursuits such as exploring the evolution of Earth.

EV CHARGING

Construction of China's first smart electric vehicle (EV) charging and battery-swapping demonstration zone has been completed in the eastern province of Jiangsu, and will shorten queuing time needed for EV charging.

The zone covers nearly 500 square km in the cities of Suzhou, Wuxi and Changzhou. With about 1,300 charging piles, it is expected to serve over 500,000 new energy vehicle (NEV) drivers, according to State Grid Jiangsu Electric Power Co., Ltd. Enditem

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