Headlines

US ambassador to NATO: 'We need strong allies, not dependents'

The U.S. ambassador to NATO on Saturday expressed the need for “strong allies, not dependents” in response to a question about NATO defense spending contributions at the Munich Security Conference. The Czech Republic has refused to increase the country’s defense spending above

Gradient cathodes boost stability of Li-rich batteries

Recently, a research team led by Prof. Zhao Bangchuan from the Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, in collaboration with Prof. Xiao Yao from Wenzhou University, developed a composition gradient strategy to