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Magnetic Yeast - Yeast cells aren’t normally magnetic, but a little genetic engineering can make them thralls to a magnetic field. The research, published in PLoS Biology, suggests that manipulations of a few widely expressed genes could be enough to get any cell magnetized, which could be a powerful tool for both research and medicine. Original reference: K. Nishida and P.A. Silver, “Induction of Biogenic Magnetization and Redox Control by a Component of the Target of Rapamycin Complex 1 Signaling Pathway,” PLoS Biology, doi:10.1371/journal.pbio.1001269, 2012.