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Even the slightest touch of a D. moroides leaf can cause excruciating pain. An intense stinging, burning pain is felt immediately, then intensifies, reaching a peak after 20 – 30 minutes. Marina Hurley, Author provided

‘The worst kind of pain you can imagine’ – what it’s like to be stung by a stinging tree

Depending on the species, touching a stinging tree can be like 30 wasp stings at once or being burnt with hot acid and electrocuted at the same time.
To grow tall enough to reach the canopy, a species of screw pine unique to Lord Howe Island has evolved its own rainwater harvesting system. Matthew Biddick, CC BY-SA

The Lord Howe screw pine is a self-watering island giant

How a species of screw pine unique to Lord Howe Island has evolved its own rainwater harvesting system that allows it to grow tall.
Felicity Burke/The Conversation

Trees are made of human breath

Urban trees are literally made with the help of human breath – they turn the carbon dioxide we breathe out into the building blocks of plant growth. So your local trees have a piece of you inside them.
The sun sets behind the Statue of Liberty, July 1, 2018. AP Photo/Andres Kudacki, File

Coping with heat waves: 5 essential reads

July is the hottest month in much of North America. Experts explain who is most affected by heat waves and ways to cope with them.
Wollemi pines once covered prehistoric Australia. The Conversation/Wikipedia

Wollemi pines are dinosaur trees

Wollemi pines have survived for hundreds of millions of years. Once covering Australia, they now survive in a few isolated spots – but they're coming back in a big way.
For a megacity, Tokyo is rich in trees. gillyberlin/flickr

We calculated how much money trees save for your city

In an increasingly urban world, trees can make a major difference. One study found that, for every dollar invested in planting, megacities saw a $2.50 return on their investment.

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