William Astbury worked with hairdressers to understand the molecular properties of hair that allowed for perms, and he took a crack at the structure of DNA, having taken X-ray pictures of it 15 years before James Watson and Francis Crick saw one. "He got pretty close, but there were aspects to the DNA puzzle which he could not have solved in 1938," says Bruce Turnbull at Leeds University in the Guardian.

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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.