If you live in a big city these days, chances are you or someone you know has complained about the ever-increasing price of rent. Laci Green looks at the real numbers out there and and tells us if rent really is too damn high.
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