https://e.vnexpress.net/news/news/education/nobel-winning-chemist-criticizes-visa-curbs-as-he-relocates-from-us-to-china-5105887.html">
https://vcdn1-english.vnecdn.net/2026/08/06/dsc06117-jpg-1785986486-7492-1785986754.jpg?w=900&h=0&q=100&dpr=1&fit=crop&s=UI7MJ7BvtGybdGbGuf-CLA" />Nobel Prize-winning chemist Omar Yaghi has criticized increasingly restrictive visa policies in the United States and other Western countries, warning they are undermining international scientific collaboration.