1) The Victoria Amazonica water lily has leaves that can grow up to 10 feet (3 meters) in diameter, making it one of the largest aquatic plants.

2) The average car has about 30,000 parts.

3) The concept of reinsurance, which is insurance for insurance companies, originated in the 17th century.

4) J.K. Rowling's "Harry Potter" series of books has sold over 500 million copies worldwide and has been translated into 80 languages.