3 fun facts about bananas: 1. **Botanically a Berry**: Despite being commonly referred to as a fruit, bananas are technically classified as berries. This is because they develop from a single ovary and contain seeds, even though the seeds are small and not commonly noticed in the bananas we eat. 2. **Radiation**: Bananas are slightly radioactive due to their potassium content. They contain potassium-40, a naturally occurring isotope that makes bananas emit a tiny amount of radiation. However, it