Tag Archives: LUCA

Life on Mars, if it exists, is below the surface

News: Exogenous Life    March 4, 2010
Is there life on Mars? We don’t know yet. If there is, it isn’t very big. In fact, if there’s (still) any life at all, it will be bacteria or something even more primitive and small. Whatever there is, it’s also not likely to be on the surface. That’s not because of the cold; it’s [...]
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Is it goodbye to “Primordial soup?”

Impact: Origin of Life    February 3, 2010
Over the years how many times have you encountered the term ‘primordial soup’ to explain the ferment in which life originated on Earth? The idea of a kind of organic broth in Earth’s early waters, struck by lightning, ultraviolet light, or some other catalyst, and producing slowly but surely the various compounds that eventually take [...]
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