BBC News reports that "hundreds of experts from 50 nations are set to agree on a 'DNA barcode' system that gives every plant on Earth a unique genetic fingerprint," according to this article. The barcode information will be available through a worldwide database, and the new system was slated to be made official during the third International Barcode of Life conference, held this week in Mexico City.

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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.

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

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