1) The word "book" contains two vowels: O and O.

2) Honey never spoils. Archaeologists have found pots of honey in ancient Egyptian tombs that are over 3,000 years old and still perfectly edible.

3) The world's largest species of shark, the whale shark, can reach lengths of up to 40 feet (12 meters) and weigh over 20 tons.

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