Portland, Ore. is dumping 38 million gallons of water after a teenager peed into an open reservoir. The public is outraged, and the city decided it's the right decision, but is the water actually still safe to drink?
When you hold an object, like a book and a metal iPhone, which feels colder? You'd probably say the metal or glass object every time, over a warm book. The problem is, the difference in temperature isn't really what you're feeling.
This video from ABC in Australia explains the principle of thermal conductivity to people on the street. via Catalyst