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Ukrainian soldiers test drones in Donetsk, Febuary 2025.Credit: Serhii Mykhalchuk/Global Images Ukraine via GettyMilitary budgets are growing, especially in larger economies. In 2024, global military spending…

Authors whose work has been retracted often build larger networks than do those without retractions, a study found.Credit: Halfpoint/iStock via GettyRetractions can have profound effects on…