Capsaicin, that spicy component of red peppers, might be useful in treating obesity. Korean researchers report in the Journal of Proteome Research how they fed one group of rats regular food along with saline, another received a high-fat diet and saline, while a third group of rats ate a high-fat diet with capsaicin diluted in saline to study the effect of capsaicin on weight gain. The rats who received capsaicin weighed about 8 percent less than the rats in the high-fat group that received only saline.

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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.