This Week in Science

In this week's Science, Harvard Medical School's George Church and his colleagues publish a study demonstrating the use of the genome-editing technology CRISPR to inactivate a retrovirus in a pig cell line, marking a step forward to the generation of pig organs for transplantation. Though pig organs are viable as replacements in humans, retroviruses in porcine DNA can be transmitted to humans, potentially causing disease.

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NPR reports that with medical data being big business, some companies want to get patients involved.

The Asbury Park Press reports on the startup Genomic Prediction's test to determine an embryo's risk of disease.

In PNAS this week: optical mapping allows glimpse of structural variants, disease-linked GATA2 mutations boosts its protein activity, and more.

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