Does France really deserve the reputation it has in some corners for being a bit too easily inclined to surrender? Tara takes a look at the country's surprisingly formidable role in the world, considering the middling size of its military.
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