Does this means we will be having intergalactic battles soon with super micro organisms. If you are one of the millions out there that believes in martians you have an argument

If Martian life existed a few billion years ago, scientists think any plant-like microbes would have left behind a stringy fuzz of fibers.

That’s because here on Earth, researchers now say they have found such ancient fuzz, called cellulose, preserved in chunks of salt deposited more than 250 million years ago — making it the oldest biological substance yet recovered. The announcement comes about a week after a team of planetary scientists announced discovering evaporated salt deposits on Mars and adds another element of hope to the search for alien life or signs of its past biology.

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LiveScience.com