DiscoverRN Breakfast - ScienceScience with Chris Smith: rock sample indicates life on earth began 300 million years earlier
Science with Chris Smith: rock sample indicates life on earth began 300 million years earlier

Science with Chris Smith: rock sample indicates life on earth began 300 million years earlier

Update: 2015-10-22
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A study of ancient rock samples from Australia has changed thinking about when life began on Earth.
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Science with Chris Smith: rock sample indicates life on earth began 300 million years earlier

Science with Chris Smith: rock sample indicates life on earth began 300 million years earlier

ABC Radio National