Biologists aren't the only ones who are extracting DNA. On her blog, Hsien-Hsien Lei posted a video from metacafe on how to do at-home DNA extractions. Using salt, water, and rubbing alcohol dangerously close to his computer keyboard, the star of the video ends up with stringy white clumps that look kind of like DNA.

We're left waiting, though, for a video on how to do sequencing at home.

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The UK's Nuffield Council on Bioethics says genetically modifying human embryos could be morally permissible, according to the Guardian.

A new Nature Biotechnology paper reports that CRISPR-Cas9 gene editing can lead to large deletions or complex rearrangements that could be pathogenic.

The Wall Street Journal likens a prototype developed by Synthetic Genomics to a "biological fax machine."

In PNAS this week: strategy for reactivating Rett syndrome-linked MECP2, small molecules able to suppress Staphylococcus aureus virulence, and more.