There are several ideas to explain the origin of life on Earth. A new one is so elegant and simple that it might change our whole perception of life. What if life is something matter just does, under the right conditions? Julian explains.
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