1) The world's first car radio was invented in 1929.

2) A group of flamingos is called a "flamboyance."

3) 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.

4) The role of the judiciary is to interpret laws, resolve disputes, and ensure justice in accordance with legal principles and the constitution. It serves as a check on the executive and legislative branches of government.