Independent (UK): At the bottom of the planet's deepest oceans, and beneath the frozen shallows of our coldest seas, there is gold. Gas hydrate, an ice-like crystalline solid that exists in the oceanic sediment, is a mixture of water and gas - usually methane. It may become one of the great energy sources of the 21st century, with the power both to enhance our lives, and, if approached without care, to damage our planet irreparably. Last week, 100 scientists from 20 countries convened in Edinburgh to ... Full read here