"water purification: the process of evaporation is like distillation, lifting pure water from the land or oceans, while leaving salts behind. The water cycle acts like a gigantic (and free) water purifier. Rainwater is perfect for drinking and irrigating."
"understanding biodiversity, its benefits and how it is threatened"
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.