Summary
SCIENTISTS in Scotland have rewritten the history of evolution after discovering that a world-changing event which paved the way for human life on Earth occurred hundreds of millions of years earlier than previously thought.
A sudden increase in oxygen throughout the planet's atmosphere has long been recognised as a critical point in the development of animals and plants.See the full content of this document
Extract
Scientists Rewrite History of the Planet's Evolution
But while this was previously believed to have occurred just 800 million years ago...
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