1) The pho, a Vietnamese noodle soup, is a signature dish of Vietnamese cuisine. It typically features a flavorful broth, rice noodles, and various toppings, such as thinly sliced beef or chicken, herbs, bean sprouts, and lime. Pho is often enjoyed for breakfast or as a comforting meal any time of the day. It is known for its complex flavors, aromatic herbs, and the balance between the savory broth and fresh ingredients.

2) The deepest part of the ocean is the Mariana Trench, reaching a depth of about 36,070 feet (10,994 meters).

3) The Federal Reserve System, often referred to as the Fed, is the central banking system of the United States.

4) The Black Lives Matter movement, which gained prominence in 2013, advocates for racial justice and equality, addressing systemic racism and police violence against Black individuals.