TOKYO -- China now ranks as the most influential country in four of eight core scientific fields, tying with the U.S., according to the Japan Science and Technology Agency.
The agency took the top 10% of the most referenced studies in each field, and determined the number of authors who were affiliated with the U.S., the U.K., Germany, France, China or Japan. China ranked first in computer science, mathematics, materials science and engineering. The U.S., on the other hand, led the way in physics, environmental and earth sciences, basic life science and clinical medicine.