This Week in Science

In a paper published online in advance in Science this week, the University of Texas at Austin's Jae Bok Heo and Sibum Sung show that the long intronic non-coding RNA COLDAIR is a critical component for the vernalization-mediated epigenetic repression of the floral repressor FLC in Arabidopsis. COLDAIR, Heo and Sung write, "is required for establishing stable repressive chromatin at FLC through its interaction with [polycomb repressive complex 2]."

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Polygamy amplified a rare genetic disease in area near Arizona-Utah border, BBC Future reports.

Genetic ancestry testing led one woman to learn that her father and another baby boy had been switched at birth, the Washington Post reports.

Simple de-identification methods can protect information in a database from attackers, a new study suggests.

In Science this week: approach to visualize chromatin structure in nuclei, and more.