හවුල් ශ්‍රව්‍ය

5 Mind-Blowing Facts You Didn’t Know” 
“Did you know that there are things happening around you every day… that you’ve probably never noticed?
 [Fact number 2: Bananas are actually radioactive.
They contain potassium, which naturally produces radiation.
Don’t worry though… you’d need to eat mill…

5 Mind-Blowing Facts You Didn’t Know” 
“Did you know that there are things happening around you every day… that you’ve probably never noticed?
 [Fact number 2: Bananas are actually radioactive.
They contain potassium, which naturally produces radiation.
Don’t worry though… you’d need to eat millions before it becomes dangerous.”