So-called “less-lethal” weapons like those that have been used against demonstrators in Los Angeles can cause severe, lasting harm like nerve or brain damage or blindness. They can also kill.

Other variants include oleoresin capsicum (pepper spray), dibenzoxazepine (CR gas), and chloroacetophenone (CN gas). While designed for crowd control, their use has become increasingly prevalent ...

The AI wave from China: Innovation, cooperation, and a shared future By Zheng Yin | chinadaily.com.cn | Updated: 2025-06-09 16:46 ...

Ruthenium(II) complexes bearing a pyridyl-supported pyrazol-3-yl−N-heterocyclic carbene (NNC) ligand were synthesized from the reactions of RuCl3·3H2O with pyridyl-supported pyrazol-3-yl−imidazolium ...

ChatGPT 中文版：国内直连指南（支持GPT-4、4o、o1、o3 和 DeepSeek R1，无需翻墙）【7月最新更新】 ...

Two enantioselective methods for the synthesis of 2-amino-1-phenylethanol have been developed. The first utilizes an enantioselective oxazaborolidine-catalyzed borane reduction of 2-chloroacetophenone ...