Here are some fun facts about bananas:

- Bananas are a type of herb! They're classified as a fruit, but they grow on large plants that are technically herbs.

- Bananas are radioactive! They contain a small amount of a radioactive isotope called potassium-40.

- The original bananas were smaller and had seeds! They were cultivated to be larger and seedless over time.

- Bananas are a great source of energy! They contain easily digestible carbohydrates, making them a popular snack for athletes.

- The banana "tree" is actually a pseudostem! It's made up of tightly wrapped leaves that look like a stem.