Mail-Order Pox

Virologists in Canada say they have re-created horsepox using DNA parts they ordered via the mail, ScienceInsider reports. While it says that horsepox isn't harmful to people, ScienceInsider adds that the same approach could possibly be used to recreate smallpox, which is.

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The US Food and Drug Administration has new guidelines that enable some gene and cell therapies to undergo expedited review, according to the New York Times.

Using gene drives to control invasive species might be too risky, an initial advocate of the approach says.

Researchers have grown tumors in 3D cell cultures to better understand cancer, the Economist reports.

In Science this week: intellectual property experts argue patent battles such as the one over CRISPR are wasteful, and more.