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Is this the oldest tree in the world?
By Tia Ghose published
Using a new computer model to determine the age of the tree, it was found that the Gran Abuelo could be roughly 5,400 years old.
Why is grass green?
By Jeanna Bryner published
Here's why grass is green and not blue or purple.
What is the world's tallest tree?
By Tia Ghose published
The largest coastal redwoods tower more than 350 feet above the ground.
Stop picking carnivorous penis plants, Cambodian environmental officials plead
By Patrick Pester published
The Cambodian Ministry of Environment has asked people to stop collecting a carnivorous plant that resembles a penis, after footage appeared on social media of people picking the rare plant.
Do trees exist (scientifically speaking)?
By Ashley Hamer published
Trees don't fit into a species, family or even an order. So do they really exist, scientifically speaking?
How to care for houseplants
By India Bottomley published
Reference From watering schedules to the perfect environment, here’s how to care for houseplants so they thrive
Ancient trees form bloodlines that bolster forests for thousands of years
By Stephanie Pappas published
Ancient trees, some close to 1,000 years old, may have a big impact on the forests where they grow.
Do indoor plants purify air?
By Lawrie Jones published
REFERENCE House plants have become incredibly popular in recent years, but do indoor plants purify air? And to what extent?
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