"Mantle convection is like a pot of oatmeal on a hot stove, Melosh said. If the heat is too low, it just sits there, but, if the heat is turned up, it starts overturning and hot oatmeal is pushed to the top."
METAMIA is a free database of analogy and metaphor. Anyone can contribute or search. The subject matter can be anything. Science is popular, but poetry is encouraged. The goal is to integrate our fluid muses with the stark literalism of a relational database. Metamia is like a girdle for your muses, a cognitive girdle.