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After 80 years of fruitless struggle by human mathematicians, a major geometry conjecture has at last been solved—via a straightforward query to a chatbot. “No previous AI-generated proof has come ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Westend61 / Getty Images The annualized income installment method calculates estimated tax ...

Tim Smith has 20+ years of experience in the financial services industry, both as a writer and as a trader. Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed ...