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Mars 'has life's building blocks' [View all]
New evidence from meteorites suggests that the basic building blocks of life are present on Mars.
The study found that carbon present in 10 meteorites, spanning more than four billion years of Martian history, came from the planet and was not the result of contamination on Earth.
Details of the work have been published in the journal Science.
But the research also shows the Martian carbon did not come from life forms.
http://www.bbc.co.uk/news/science-environment-18196353
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