1) The Dow Jones Industrial Average (DJIA) is a stock market index that tracks the performance of 30 large, publicly owned companies in the United States.

2) The Triple Crown in horse racing consists of three prestigious races: the Kentucky Derby, the Preakness Stakes, and the Belmont Stakes.

3) Chocolate is derived from the beans of the cacao tree and has been enjoyed as a delicacy for centuries. It was first cultivated by the ancient Mayans and Aztecs, who considered it a sacred drink. Today, chocolate is consumed in various forms, including bars, truffles, and beverages, and is known for its rich flavor and potential health benefits, such as improving mood and antioxidant properties.

4) Meryl Streep is an American actress widely regarded as one of the greatest performers in the history of cinema. She has received a record number of Academy Award nominations and has won several awards for her roles in films such as "The Devil Wears Prada" and "Sophie's Choice."