Synopsis

Sink into the crust, find a comfortable place upon its firm surface. Consider a world devoid of it – a world without pies, only a shapeless filling; without bread, or hamburger buns; and without ourselves. Indeed, you and every living creature depend on the Earth's crust for existence. Let us explore the science of this surface. Through meticulous study, scientists have revealed that the Earth is composed of immense layers. At its heart lies the core, a vast sphere of solid metal, primarily i