Genes to Brains to Mind to Me's John Fossella has a good overview of epigenetics, if you need to brush up on the topics after learning it's all the rage. He includes some cartoon sketches showing the methyl groups attaching to residues and how epigenetic marks affect cognitive development.
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The Wall Street Journal reports that National Institutes of Health Director Francis Collins' response to contamination concerns at the agency might have delayed care.
The final revision of the Common Rule doesn't include the proposed change requiring consent for leftover biospecimens.
The first Reproducibility Project: Cancer Biology papers show mixed results.
In Nature this week: mobile phone-based targeted DNA sequencing, and more.