This Week in Science

In this week's Science, researchers from the Icahn School of Medicine at Mount Sinai report on the discovery of a network of genes that appears to play a key role in fostering cooperation between cells during the evolution of multicellular organisms.

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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.