The Alphabet Just Got 50 Percent Bigger | GenomeWeb

Researchers have created two novel artificial DNA base pairs, reports this New Scientist article. Using large-scale drug discovery techniques, they screened 3,600 candidates and found a pair of molecules, dSICS and dMMO2, that were treated normally and replicated by natural polymerases.

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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.