By Elisabeth Egan Aaron Robertson’s grandparents had a farm in Promise Land, Tenn. In a new book, he explores the history and meaning of such utopian communities for African Americans.
A professor who has devoted his career to resolving the mysteries of higher mathematics has solved two separate, fundamental problems that have perplexed mathematicians for decades.
A Massachusetts Institute of Technology entrance exam from 1869 went viral on Reddit this week, dividing users over whether the test is considered difficult in 2024.