JON GERTNER

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Can $500 Million Save This Glacier?

A bold engineering project might show a way to slow sea-level rise — and bring new imagination to the fight against climate change.

What Does the U.S. Space Force Actually Do?

Inside the highly secretive military branch responsible for protecting American interests in a vulnerable new domain.

Wikipedia’s Moment of Truth

Can the online encyclopedia help teach A.I. chatbots to get their facts right — without destroying itself in the process?

The Search for Intelligent Life Is About to Get a Lot More Interesting

There are an estimated 100 billion galaxies in the universe, home to an unimaginable abundance of planets. And now there are new ways to spot...
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