This Week in Nature

In a study out of Michigan that seems to have overturned the cancer stem cell theory, researchers found that after introducing human melanoma cells into immunocompromised mice, many more than expected developed tumors. In the less immunocompromised mice, only one in 837,000 cells regenerated melanoma, while in the more vulnerable mice one in four cells did, says a related news story.

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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.