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Emory University scientists have developed mammalian cells that produce magnetic nanoparticles to aid medical researchers in tracking cells, reports MIT's Tech Review. The scientists took a gene from pond bacteria that use small magnetic particles as a sort of compass and inserted it into mouse cells which then produced their own magnetic nanoparticles. When those mouse cells were inserted into a live mouse's brain, the cells could easily be seen on an MRI.

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The UK and the European Union have come to a sticking point in the negotiation of how the UK might remain involved in the Horizon Europe research program, the Guardian reports.

The New York Times reports that experts pushed during a meeting of an FDA advisory board for the agency to require more safety data from SARS-CoV-2 vaccine trials.

The Washington Post reports Moderna expects that it will have enough data on its candidate SARS-CoV-2 vaccine to submit to regulatory authorities by mid-November.

In Science this week: ANXA11 variants affect calcium homeostasis and stress granule disassembly in ALS, and more.