Over at Discovering Biology in a Digital World, Sandra Porter offers a quick lesson and an informative video on how to craft a phylogenetic tree.  If you're already an expert in clades, you can skip this -- Porter targets the lesson at beginners in the field. The video covers building your data set, aligning sequences, and using that to make the tree.

 

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Senator Elizabeth Warren (D-Mass.) has released the results of a genetic ancestry analysis, the Boston Globe reports.

Retraction Watch's Ivan Oransky and Adam Marcus report that Harvard Medical School and Brigham and Women's Hospital have recommended that more than 30 papers from a former researcher be retracted.

Thomas Steitz, who won the 2009 chemistry Nobel Prize for his ribosome work, has died, the Washington Post reports.

In PLOS this week: mechanisms for genes implicated in coronary artery disease, rumen microbes and host genetics influence cow methane production, and more.