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World's Oldest Fossils Found in Canada?


Claire.

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World's Oldest Fossils Possibly Uncovered in Canada

Ancient traces of microbial life that are between 3.77 billion and 4.29 billion years old might have been unearthed in a rocky outcropping in Canada, a new study suggests. However, some scientists are casting doubt on what the findings truly mean.

If the new microfossils truly are evidence of primordial life that once sprang up in ancient hydrothermal vents, it suggests that life began on Earth soon after the planet coalesced, the study authors said. "We can say life managed to emerge on Earth very rapidly almost soon after the oceans had condensed on the surface of the Earth 4.4 billion years ago," said study lead author Matthew Dodd, a biogeochemistry graduate student at the University College London. "What this means is that life may not be such a difficult process to start once we have the right conditions and ingredients."

However, not everyone is convinced: One scientist says there's no way to say for sure that these traces are evidence of life — or that they are truly ancient.

Read more: Live Science

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