1) The largest living structure on Earth is the Great Barrier Reef, spanning over 2,300 kilometers (1,400 miles) along the coast of Australia.

2) Hindu mythology, deeply rooted in Indian culture, revolves around a pantheon of gods and goddesses, including Brahma, Vishnu, Shiva, Saraswati, and Lakshmi. These deities represent various aspects of existence and play important roles in Hindu religious traditions and epics like the Mahabharata and Ramayana.

3) George Clooney is an American actor, filmmaker, and activist. He gained fame for his role in the television series "ER" and has since starred in successful films such as the "Ocean's" trilogy, "Syriana," and "Up in the Air," winning several awards for his performances.

4) The speed of a sneeze can reach up to 100 miles per hour (160 kilometers per hour).