Mathematician Richard Evan Schwartz of Brown University tackled the problem in a recent study by working backward from an existing polyhedral torus to answer questions about what would be needed to ...
By age 2, most kids know how to play pretend. They turn their bedrooms into faraway castles and hold make-believe tea parties. The ability to make something out of nothing may seem uniquely human — a ...
Little kids hosting make-believe tea parties is a fixture of childhood playtime and long presumed to be exclusively a human ...
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