Undersea Vent Blows Blue

Undersea 'hotspots', which spew super-hot, mineral-rich fluids out of the sea floor and play host to a variety of weird marine life, just got weirder: scientists have found one blowing out blue smoke. Hydrothermal vents commonly spit out clear bubbles, or black, grey or white smoke. But a 'blue smoker' has never been reported before, says Ken Takai, a geomicrobiologist at the Japan Agency for Marine-Earth Science and Technology (JAMSTEC) in Yokosuka, which unveils the discovery this month...