1) Dwayne "The Rock" Johnson is an American actor, producer, and former professional wrestler. He has become one of the highest-paid actors in Hollywood, known for his roles in films such as the "Fast & Furious" franchise, "Jumanji," and "Moana."

2) The Earth's core is primarily composed of iron and nickel and is as hot as the surface of the sun.

3) Wine is an alcoholic beverage made from fermented grapes or other fruits. It has a long history dating back thousands of years and is associated with cultural and social significance in many regions. Wine production involves various factors, including grape varieties, fermentation processes, and aging techniques, resulting in a wide array of flavors and styles. Red, white, and rosé wines are among the most common types, each offering distinct characteristics and pairing possibilities with different cuisines.

4) The United States recently held its presidential election in 2020, resulting in Joe Biden being elected as the 46th President of the United States and Kamala Harris as the Vice President, making history as the first female Vice President.