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Q&A

Navigating the ethics of ancient human DNA research

Paleogenomic research has expanded rapidly over the past two decades, igniting heated debate about handling remains. Who gives consent for study participants long gone — and who should speak for them today?

AI for better crops

The technology could transform how growers protect their harvests, by detecting plant diseases very early on. But the challenge is to develop tools that are as affordable as they are effective.

What can cities do to survive extreme heat?

Urban heat waves are getting worse, but better data and timely government action could make them less deadly

Mining museums’ genomic treasures

The world’s natural history collections hold billions of biological specimens, many of which still contain DNA. Scientists exploring these genetic repositories are gaining new, historical perspectives on how animals evolve.

The unmet promise of Big Data in policing

Today’s astounding computing power offers great potential for reducing crime, but a criminologist says law enforcement has yet to find ways to fully tap it.

Take this job and . . . gig it

A few hours here, a few hours there. At home, or somewhere else. Alternative work can be a great deal or it can leave you unprotected, as management scholar Lindsey Cameron explains in a Q&A.

Do patents invent innovation?

They're a common index of technological creativity, but research finds they can impede rather than encourage it

How to detect clandestine nuclear weapons programs

A “policy physicist” explores practical ways to sniff out uranium processing from afar

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