Sub to explore Cayman Trough

(BBC): Scientists are set to explore the world’s deepest undersea volcanoes, which lie 6km down in the Caribbean. Delving into uncharted waters to hunt for volcanic vents will be Autosub6000, Britain’s new autonomously controlled, robot submarine. Once found, the life, gas and sediment around the vents – the world’s hottest – will be sampled and catalogued. Go to article