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Live Oak Trees Struggle for Survival in Growth Areas

The majestic live oak is losing its battle for survival to suburban sprawl and the encroachment of taller trees, a new University of Florida study finds.

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Sweet magnolia: Tree bark extract fights bad breath and tooth decay

“Sweet magnolia” does more than describe the fragrant blossoms of a popular evergreen tree. It also applies to magnolia bark’s effects on human breath. Scientists in Illinois are reporting that breath...

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Life-saving plants at risk of extinction

Hundreds of plants used to produce more than 50 percent of the world's prescription drugs are at risk of becoming extinct, researchers say.

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First-in-class compound proves safe, tolerable in preventing blood clots

A new drug derived from magnolia trees appears to be able to uncouple two important functions of thrombin in blood clot formation and may offer a way to better control the potentially dangerous...

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Building a base for honeybees

On a recent muggy morning, Tammy Horn used a smoker to puff aromatic drafts into wooden beehives beneath a locust tree, then carefully removed the top of a hive.

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'Epidemiological' study demonstrates climate change effects on forests

An 18-year study of 27,000 individual trees by National Science Foundation (NSF)-funded scientists finds that tree growth and fecundity--the ability to produce viable seeds--are more sensitive to...

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Dinosaur forests mapped

The first detailed maps of the Earth's forests at the time of the dinosaurs have been drawn up. The patterns of vegetation, together with information about the rate of tree growth, support the idea...

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Action needed to prevent more devastating tree diseases entering the UK

The UK Government has recently imposed a ban on importing foreign ash trees in order to prevent the spread of fungal disease Chalara, which kills the trees and has entered the country via imports from...

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The tulip tree reveals mitochondrial genome of ancestral flowering plant

The extraordinary level of conservation of the tulip tree (Liriodendron tulipifera) mitochondrial genome has redefined our interpretation of evolution of the angiosperms (flowering plants), finds...

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Online pictures of dead birds spur China flu openness

Photos of 10 dead sparrows on a Chinese pavement which went viral on social media and drew a swift official response show how hard covering up a bird flu outbreak would be in the Internet age.

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Historic trees get a second shot at life with cloning efforts

The majestic oak that sits on the corner of Cedar Lane and Palisade Avenue in Teaneck, N.J., is headed for the chopping block, but the historic tree may live on, if experts can manage the tricky feat...

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Ancient ancestor of tulip tree line identified

The modern-day tulip tree, state tree of Indiana as well as Kentucky and Tennessee, can trace its lineage back to the time of the dinosaurs, according to newly published research by an Indiana...

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Filter bed substrates, plant types recommended for rain gardens

Urban stormwater runoff is causing problems for the world's water sources. In the United States, the Environmental Protection Agency found stormwater runoff to be one of the top 10 causes of...

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New threatened tree populations discovered in Vietnam

The new findings are the result of over two weeks of fieldwork in forests surrounding the villages of Phieng Luong and Phieng Phoc in northern Vietnam.

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Study reveals how eastern US forests came to be

Plant hunters traveling between North America and Asia in the 1800s noticed a bizarre pattern: collections they brought back from China and Japan were strikingly similar in their leaves, flowers and...

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Tree root research confirms that different morphologies produce similar results

Despite markedly different root morphologies and resulting disparities in nutrient-uptake processes, forest trees of different lineages show comparable efficiency in acquiring soil nutrients, according...

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How will shifting climate change US forests?

One foggy spring morning just after a hard rain, Park Williams was tromping through the woods deep in Arkansas' Ozark Mountains. Toiling down a steep slope, he supposedly was keeping a simultaneous eye...

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Insects, disease ravage trees in Southern California. Who's going to stop them?

Insects and disease are killing an unprecedented number of Southern California's urban trees, but each day on his way to work, Los Angeles County plant pathologist Jerrold Turney sees opportunity amid...

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Sowing the seeds of hope for critically endangered magnolia tree

In the limestone hills of northern Vietnam, villagers have been busy planting one of the world's rarest magnolias back into its natural habitat.

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High levels of lead contaminate many backyards in Brooklyn neighborhood

When we met Philip, he was chiseling black paint off the iron railing in front of his brownstone. He led us through his beautiful home and into the backyard. "Nothing will grow in this back corner," he...

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