New research changes understanding of C4 plant evolution

(PhysOrg.com) -- A new analysis of fossilized grass-pollen grains deposited on ancient European lake and sea bottoms 16-35 million years ago reveals that C4 grasses evolved earlier than previously thought. This new evidence ...

From Greenhouse to Icehouse

A new study that reconstructed ocean temperatures from millions of years ago could provide new insight into how the Earth responds to climate change.

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