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Korean researcher solves 60-year-old sofa problem

For nearly 60 years, the “moving sofa problem,” a long-standing mathematical puzzle, remained unsolved. Last year, a Korean ...
Chapelboro

N.C. Schools’ Cellphone Regulations Mark a New Era in Education

A new state law gave schools until Jan. 1, 2026 to set policies regulating students’ cellphone use, but several North ...