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Tuesday, October 20, 2015

4.1 Billion Years Ago

Science Daily: Life on Earth likely started 4.1 billion years ago, much earlier than scientists thought - Evidence that early Earth was not dry and desolate
summary - Geochemists have found probable evidence for life on Earth at least 4.1 billion years ago -- 300 million years earlier than previously documented, pushing the origin of life close to when the planet formed, 4.54 billion years ago.

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