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Using AI, researchers develop DNA ‘switches’ to precisely control gene activity in specific cell types and the Yellowstone “Landscape of Fear” hypothesis is being questioned. Plus, on This Day in History, fingerprints are used in an investigation for the first time. Researchers flip genes on and off with AI-designed DNA switches | ScienceDaily Predation, not fear of wolves, keeps elk from denuding Yellowstone | Science | AAAS From a fair to fingerprinting: Here's the history behind how we identify suspects | abc10.com
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