News

  1. Climate

    Can geoengineering blunt El Niño’s fury?

    Marine cloud brightening could cool part of the Pacific and weaken extreme El Niños, simulations suggest. But the approach could have risks.

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  2. Space

    A shoebox-sized satellite could expose hidden nuclear weapons in space

    There’s never been a good method to check for violations of the Outer Space Treaty’s prohibition of nuclear weapons in space.

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  3. Artificial Intelligence

    AI tools meant to vet science are surprisingly easy to fool

    The gold standard of scientific review, peer review by researchers’ colleagues, is in crisis. AI might offer a solution but has problems of its own.

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  4. Climate

    A robot swarm is on a mission to map Greenland’s perilous ice sheets

    The ambitious expedition aims to fill data gaps about the glacier-sea boundary to predict when the world might tip into a catastrophic climate regime.