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Life & Evolution

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forest tent caterpillar

Forest tent caterpillars, like this one resting on an aspen leaf, are found in U.S. hardwood forests. A new study finds that when carbon dioxide levels are higher, herbivorous insects eat more vegetation. 

rock pigeon

Pigeons weigh danger, stability and efficiency in the aerial acrobatics they use to avoid obstacles, study shows.

El Yunque National Forest, Puerto Rico

More than half of Earth’s land surface has seen major changes in plant growth patterns such as leaf-on date and how much vegetation grows in a season.

Life & Evolution

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