That'll Just Wreak Havoc at Airport Security | GenomeWeb

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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In Science this week: metagenomic-based technique for determining protein structure, and more.

An academic laments the rise of narcissism in the sciences, the Guardian reports.

Outgoing FDA commissioner Robert Califf writes in an editorial that the agency can help boost innovation.

The Trump transition team has asked NIH Director Francis Collins to remain at his post, though it's unclear for how long that will be.