Some 2.3 million of U.S. adults over 65—more than 4%—have a diagnosis of dementia. But even without a diagnosis, a certain ...

Math puzzles are a fun way to boost brain health, challenging critical thinking and logic skills. This puzzle has intrigued ...

A young man lives in Manhattan near a subway express station. He is dating two women: one in Brooklyn; one in the Bronx. To visit the woman in Brooklyn he takes a train on the downtown side of the ...