Many common diseases, like autism, arise from a confluence of genetic and environmental factors, and the US Centers for Disease Control and Prevention's Genomics and Health Impact Blog likens it to cooking a vegetable stew. "Genes are represented by the many different ingredients and the environment by the time length and temperature of the cooking and whether the pot or pan used is constructed of cast iron, earthenware, or steel," writes the CDC's Scott Bowen.

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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.