"Brian the Amoeba: How is water water? It's an eternal mystery. Every time I look at it, it just completely amazes me. It behaves unlike any other material that we've got on the planet. It has a property that nothing else has which is a form of quantum coherence. But water seems to have... the quantum coherence field moves outside the molecule and the water can be seen to be acting as a whole. And this is extraordinarily unusual."