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Ottawa (UPI) Dec 6, 2010 A new bacteria has been found in the wreck of the Titanic, growing in "rusticles," icicle-like structures on the ship's rusting iron, Canadian researchers say. The previously unknown bacteria, Halomonas titanicae, was found in samples of rusticles taken from the Titanic by the Mir 2 robotic submersible in 1991, the BBC reported Monday. Researchers from Dalhousie University and the Ontario Science Center in Canada and the University of Seville in Spain isolated the bacteria from those samples. DNA sequencing showed them to be a new species of the Halomonas genus found in salt water environments. The bacteria may shed light on the mechanism by which rusticles form and the "recycling" that such microbes carry out on submerged metal structures, the researchers said. Such findings could have relevance to the protection of offshore oil and gas pipelines and the safe disposal at sea of ships and oil rigs, they said. The find has been published in the journal International Journal of Systematic and Evolutionary Microbiology.
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Heat Helped Hasten Beginnings Of LifeChapel Hill NC (SPX) Dec 06, 2010 There has been controversy about whether life originated in a hot or cold environment, and about whether enough time has elapsed for life to have evolved to its present complexity. But new research at the University of North Carolina at Chapel Hill investigating the effect of temperature on extremely slow chemical reactions suggests that the time required for evolution on a warm earth is s ... read more |
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