US prosecutors drop criminal charges against scientist detained over frog embryos
来源: Guardian Science ·
Kseniia Petrova was detained for four months after arrest with research samples, and feared deportation to Russia Federal prosecutors have dropped all criminal charges against a Russian scientist who spent four months in immigration detention after flying into Boston with frog embryos intended for cancer research at Harvard Medical School. Kseniia Petrova, 31, was arrested in March 2025 after returning from a vacation in France, where she had visited a laboratory specializing in cutting extremely thin sections of frog embryos. During her visit, she obtained a package of samples for her researc
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US prosecutors drop criminal charges against scientist detained over frog embryos is a 文章 discovery curated from Guardian Science. Kseniia Petrova was detained for four months after arrest with research samples, and feared deportation to Russia Federal prosecutors have dropped all criminal charges against a Ru
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