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15 bizarre college courses

basket weaving

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Underwater basket weaving

Although the phrase "underwater basket weaving" is often used as an idiom for a useless elective, it's actually been taught at multiple colleges. While it may bring to mind images of students quickly weaving reeds on the bottom of the campus pool, underwater basket weaving actually involves making baskets by dipping reeds into water and letting them soak — at least that's how Reed College of Portland in Oregon, and University of California in San Diego taught it.