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Do trees exist (scientifically speaking)?Trees don't fit into a species, family or even an order. So do they really exist, scientifically speaking?
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Ancient trees form bloodlines that bolster forests for thousands of yearsAncient trees, some close to 1,000 years old, may have a big impact on the forests where they grow.
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The world has a serious deforestation problem: These 7 images prove it.From Borneo to Bolivia, here are just a handful of places around the world were deforestation has become a real problem
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Want to Fight Climate Change? Plant 1 Trillion Trees.Want to help save the world from climate change? Then grab some seeds, or some seedlings, and start planting trees like there's no tomorrow.
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Why Do Our Fingernails Keep Growing Until the Day We Die?You may give them little thought beyond when to trim them or which nail color to apply. But the humble nail laid the groundwork for our evolution into the humans we are today.
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The World's Tallest Tropical Tree Is Longer Than a Football FieldThe world's tallest tropical tree on record is a giant, and it's nearly perfectly balanced.
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World's Loneliest Tree Records Fallout from HumanityA lone tree on a subantarctic island bears the marks of human activity.
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Primordial Fossils of Earth's 1st Trees Reveal Their Bizarre StructureEarth's first trees had hundreds of tree-like structures within them, making them exceedingly more intricate than the insides of modern trees, a new study finds.
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Are Trees Vegetarian?Humans can be vegetarians, choosing to forgo meat, but what about trees? After all, trees need only soil, sunlight and water to survive, right?
