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US-China tensions

U.S.-China joint research papers drop for first time in 28 years

Decoupling takes toll amid tech war even as global collaborations rise

China has invested heavily in science, including space and supercomputers. (Photo obtained by Nikkei)

TOKYO -- Research papers jointly authored by scientists in the U.S. and China have declined for the first time in nearly three decades, underscoring the impact of decoupling in the face of heightened political tensions between the two countries. 

The tally fell 5% on the year to 51,630 papers in 2021, according to a report from Japan's Ministry of Education, Culture, Sports, Science and Technology. The last drop was a slight decrease in 1993.

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