Here's a good reality check for how consumers perceive your nanotech research: this article from AlterNet looks at whether the benefits of nanotechnology make up for the risks. Even though nanoparticles are continuously popping up in more and more consumer goods -- they're found in everything from sunscreens and cosmetics to air fresheners and shoe liners, the article writes -- reports have linked them to toxicity in both humans and fish.

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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.