John Henry Holland, a computer scientist who developed codes that mimicked evolutionary processes, has died, the New York Times reports. He was 86.

While at the University of Michigan as a graduate student, Holland happened upon a book by statistician and evolutionary biologist R. A. Fisher that showed that biological systems, including how a colony of butterflies moved, could be described mathematically.

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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.