carolyn johnson
@Carolynyjohnson
science reporter @nytimes, former @WashingtonPost, @BostonGlobe, prefer to explore the world by bicycle, carolyn.johnson@nytimes.com, Signal: carojo.55
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Today in 🤯 science: A team led by @Sergiu_P_Pasca engineered mice to be missing a large swath of their brains. Next, they transplanted human brain organoids, which grew and filled in the void. They're still mice, but with a human-dominated cortex.
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