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image: The Weird Growth Strategy of Earth’s First Trees

The Weird Growth Strategy of Earth’s First Trees

By Shawna Williams | October 24, 2017

Ancient fossils reveal how woodless trees got so big: by continuously ripping apart their xylem and knitting it back together.

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image: Global Forest Estimate Rises 9 Percent

Global Forest Estimate Rises 9 Percent

By Aggie Mika | May 15, 2017

Dryland biomes are covered in at least 40 percent more forest than previously estimated.

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image: 19th Century Experiments Explained How Trees Lift Water

19th Century Experiments Explained How Trees Lift Water

By Ben Andrew Henry | February 1, 2017

A maple branch and shattered equipment led to the cohesion-tension theory, the counterintuitive claim that water’s movement against gravity involves no action by trees.

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Spruce and pine and have relied on similar genetic toolkits for climate adaptation despite millions of years of evolution.

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image: Genome Digest

Genome Digest

By Karen Zusi | November 19, 2015

What researchers are learning as they sequence, map, and decode species’ genomes

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image: Global Tree Count Updated

Global Tree Count Updated

By Karen Zusi | September 3, 2015

Latest study puts the total number of trees on Earth at 3 trillion, well above previous estimates.

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image: Genome Digest

Genome Digest

By Tracy Vence | March 20, 2014

What researchers are learning as they sequence, map, and decode species’ genomes

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image: Older Trees Grow Faster

Older Trees Grow Faster

By Bob Grant | January 20, 2014

Mature trees soak up more CO2 than younger ones, a study shows, overturning a bit of botanical dogma.

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