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

2) The sitcom "Friends" is known for its iconic Central Perk coffee shop, where the main characters often gather.

3) Oceans play a crucial role in regulating the Earth's climate by absorbing and storing large amounts of heat and carbon dioxide.

4) The human brain has a storage capacity equivalent to around 2.5 petabytes, which is roughly equivalent to three million hours of TV shows.