1) The universe is estimated to be around 13.8 billion years old.

2) The Mariana Trench in the western Pacific Ocean is the deepest part of the world's oceans, reaching a depth of approximately 36,070 feet (10,994 meters).

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

4) The world's first paper money was created in China over 1,000 years ago.