Plant fossils from Columbia reveal the forests of the Cretaceous period were sparser and less humid than their modern-day counterparts. 

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Plant fossils from Columbia reveal the forests of the Cretaceous period were sparser and less humid than their modern-day counterparts. Learn about your ad choices: dovetail.prx.org/ad-choices

Plant fossils from Columbia reveal the forests of the Cretaceous period were sparser and less humid than their modern-day counterparts. 

Learn about your ad choices: <a href="https://dovetail.prx.org/ad-choices" rel="noopener noreferrer">dovetail.prx.org/ad-choices</a>

The Dinosaur-Killing Asteroid Birthed Today's Rainforests

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The Dinosaur-Killing Asteroid Birthed Today's Rainforests

The Dinosaur-Killing Asteroid Birthed Today's Rainforests

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