Now the search is on to find living organisms on the red planet. Even traces of primitive microbes would rank among the most well-known discoveries in historyWhen ancient explorers set off from home they would follow the water,along rivers and coastlines, from lake to lake. There was cramped else they could do; for water is unique. The simple combination of hydrogen and oxygen is crucial for life as we know it. Without liquid water, or cells fail,and so do those functions that define us.
The US space agency place the same intuition at the heart of its exploration of Mars. On our home planet, where there is water, and life is never far absent. And it is this that makes Nasa’s latest discovery so exciting: that water may flow on Mars today,at least in the warmer months of summer. It is very likely that there is life on the red planet, said one of the scientists on the team.
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Source: theguardian.com