Environment
A fossil may rewrite the story of how plants first lived on land
A plant fossil that lay unnoticed for a century is unexpectedly large for something so old, and it could upend our ideas about the evolution of land plants
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A plant fossil that lay unnoticed for a century is unexpectedly large for something so old, and it could upend our ideas about the evolution of land plants
Most plants were expected to grow more as CO2 levels rise, but a 20-year experiment suggests that the extra CO2 is somehow stunting plant growth, which could make climate change worse