More than 350 scientists collected data from around 600,000 samples taken from more than 17,000 plots of land, making it the largest field survey ecological project in the world, Fang said.
A research team, jointly led by Yan Xiyun from the Institute of Biophysics under the Chinese Academy of Sciences and Gao Lizeng from Yangzhou University, has for the first time developed a strategy to coordinate nanozymes to target tumor cells and selectively kill tumors. Their findings were published in Nature Communications last week.
The unarmed CH-3s also have been used since July in the southern African country of Zambia to prospect for mineral resources. The operation in the African nation is the first time large Chinese-made drones, unlike the small consumer models made by Chinese firms like DJI, performed a civilian mission in a foreign country and also the first time an African nation used an unmanned aircraft to explore for mines, the academy said.
A joint archaeological team carried out a survey of an area of about 2,000 square km in 33 counties and townships in Xiongan from June to December last year, according to the provincial Cultural Relics Institute.
Ceramic bombs required very little gunpowder and when they exploded the biological agents were dispersed into the air, the staff member explained, adding that each plane could carry ten ceramic bombs containing around 5,000 fleas, which could kill a large number of domestic animals within one to two hours.