Herceptin was the first, the US Food and Drug Administration says at its consumer updates page. In 1998, the agency approved the drug to treat certain breast cancers, but there had to be a diagnostic to determine what type of breast cancer a patient had. Now, the agency adds, there are 19 cleared or approved companion diagnostic tests for a range of drugs to treat certain diseases and conditions.

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Gene drives might run into biological resistance, the Economist reports.

Forensic experts exhumed painter Salvador Dalí's body to collect DNA for a paternity test, CBS News reports.

Yale Environment 360 writes that synthetic and conservation biologists aren't always on the same wavelength, but they are trying to reach an understanding.

In Science this week: full CRISPR locus integration complex structure, and more.