The Washington Post: Surojit Sarkar thought he would be in New Delhi for just a few weeks. Now, more than three months later, Sarkar is still here, trapped in administrative limbo over his US work visa status. He says consular agents flagged his visa renewal application for security reasons.
Sarkar is one of thousands of highly skilled scientists, professors and technology workers from Beijing to Belarus who have been stranded in their home countries in recent months, upsetting their lives, their jobs and their children’s schooling. Many wonder whether the United States still wants its foreign scientists.
The finding that the Saturnian moon may host layers of icy slush instead of a global ocean could change how planetary scientists think about other icy moons as well.
Modeling the shapes of tree branches, neurons, and blood vessels is a thorny problem, but researchers have just discovered that much of the math has already been done.
January 29, 2026 12:52 PM
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