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Earth Space Science

Microbial Life Found In Trinidadian Hydrocarbon Lake 141

Posted by timothy
from the blame-la-brea dept.
KentuckyFC writes "Pitch Lake is a poisonous, foul-smelling hell hole on the Caribbean island of Trinidad. It is filled with hot asphalt and bubbling with noxious hydrocarbon gases and carbon dioxide. Various scientists have suggested that it is the closest thing on Earth to the kind of hydrocarbon lakes they can see on Saturn's moon Titan. Now a group of researchers has discovered that the lake is teeming with microbial life which is thriving in the oxygen-free environment with very little water, eating hydrocarbons and respiring with metals. Gene sequence analysis indicates that these bugs are single-celled organisms such as archea and bacteria. The researchers say the discovery has exciting implications for the possibility of life on Titan. There is a growing sense that Titan has all the ingredients for life: thermodynamic disequilibrium, abundant carbon-containing molecules, and a fluid environment. There is also evidence that liquid water may not be as important for life as everybody has assumed, since some microorganisms can make their own water by chewing on various hydrocarbons. That may make Titan an even better place to look for life than previously thought."
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Microbial Life Found In Trinidadian Hydrocarbon Lake

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