1) The first photograph of a black hole was captured in 2019 using a network of telescopes around the world.

2) The Amazon Rainforest, located in South America, is the largest tropical rainforest in the world, covering an area of approximately 5.5 million square kilometers (2.1 million square miles). It is known for its exceptional biodiversity and plays a crucial role in the global ecosystem.

3) The Indian Ocean is the third-largest ocean and is characterized by its warm waters and diverse marine life.

4) The development of artificial intelligence (AI) has led to advancements in areas such as machine learning, natural language processing, and computer vision.