Don’t let your students use AI as a ghostwriter

Using generative artificial intelligence models to kick ideas around is more effective than outsourcing thinking wholesale, says Yanjun Shen.Credit: jabkitticha/iStock via Getty Last May, I received a PhD research proposal that, on the surface, seemed flawless: the prose flowed effortlessly, the logic was airtight and the citations were meticulously organized and arranged. As an interdisciplinary…

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how X affects your health

Cholesterol-lowering statins are among the most widely prescribed drugs in the world. They can have side effects, however, including muscle pain that affects twice as many women as men. When Karen Reue, a geneticist at the David Geffen School of Medicine at the University of California, Los Angeles (UCLA), set out to discover why, she…

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How big is Big G? Mystery deepens after ten-year effort to measure gravity’s strength

Stephan Schlamminger (left) and colleague Vincent Lee with the equipment used to measure big G.Credit: R. Eskalis/NIST The value of the constant that describes the gravitational pull between objects, Big G, continues to baffle scientists. A decade-long replication experiment1 that involved moving equipment across the Atlantic has resulted in a number that disagrees with previous…

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AI doom warnings are getting louder. Are they realistic?

It’s 2035, and an artificial-intelligence system has supreme authority to run everything from the world’s governments to national electricity grids. Called Consensus-1, the system was constructed by earlier versions of itself, and it developed self-preservation goals that override its built-in safeguards. One day, in search of extra space for solar panels and robot factories, the…

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Forty years after Chernobyl, more nuclear disasters are inevitable — plan for them

Damage at reactor 4 of the Chernobyl Nuclear Power Plant in Ukraine, a few weeks after the 1986 accident.Credit: Igor Kostin/Laski Diffusion/Getty Reflecting on the disaster that struck Chernobyl on 26 April 1986, former Soviet president Mikhail Gorbachev lamented that the “victims of the tragedy were confronted by a crisis which they could scarcely understand…

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