Radioactive Bananas

Video by KNOW (KnowNow).

Did you know bananas naturally emit radiation? This video explores the surprising science behind the banana equivalent dose (BED)—a quirky unit used to explain low-level radiation in everyday terms. Learn how bananas contain potassium-40, a naturally occurring radioactive isotope, and why this makes them slightly radioactive (but totally safe!).

The video explains:

What potassium-40 is and how it works
How much radiation a banana emits
Why you'd need to eat 10 million bananas to match a chest X-ray
The concept of natural background radiation
Why bananas are used to help people understand radiation exposure

Perfect for science lovers, curious minds, and anyone who enjoys quick facts about everyday foods. Stay calm and go bananas!

Watch on YouTube: https://youtu.be/2PaInnHtjb0