300
List three possible ways to sharpen your mind.
Read a newspaper everyday/Subscibe to National Geographic/Travel/Plant a garden/Observe Wildlife/Attend a lecture on an interesting topic/watch the Discovery Channel/Vist a library/Listen to the news/Write a poem, or song/Play challenging board games/Debate/Play a game of chess/Vist a museum/Comment in class/Attend a ballet, opera, or play/Learn a play a musical insturment/Have stimulating conversations with friends/Solve crossword puzzles.