Joshua Walters occupies the worlds of madness and sanity and gets a souvenir from one that becomes a symbol in the other. OK, so it would not be right for us to proceed with the "All in your Head" ...

Why does a tiny rock sink to the bottom of a lake, while a giant boat can stay afloat? When any object hits water, it displaces some amount of water. To float, the object needs to be lighter than the ...