Custom-built antibodies don't always work the way they are supposed to and this can affect the results that researchers get in their experiments, NPR reports.

For instance, it notes that a multi-million dollar endeavor to develop a treatment for melanoma was disrupted after a researcher discovered that the antibodies being used were not dependable.

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Labs in the US and South Korea are hoping to bring the woolly mammoth back from beyond extinction, Newsweek writes.

Geneticist Adam Rutherford speaks with National Geographic about paleogenetics, race, and more.

Researchers link genetic links between education and smoking and longevity.

In PNAS this week: influence of gene environment interactions on polygenic traits, epigenetic features affecting fruit fly foraging, and more.