Can you imagine about world's oldest water sample, University of Toronto scientists have proven this imagination true. Toronto scientists discovered the world oldest water sample. This sample was around 200 billion years ago, some of the samples found to be more than 500 million years ago.

This statistics is more than that of previously examined samples. This sample was found nearly in depth of three kilometers in a Canadian mine. Scientists claim that this discovery can give rise to the clue about the life beneath the surface.

Here the above image is of 2014 when oldest sample was found but this sample which have been recently found is the oldest one, around 2 billion years before.

Before this amazing dicovery scientists also discovered world's oldest polluted river and under water pollination. 

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