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Plant Life

Explore plants, from growth and reproduction to the ways they respond to their surroundings and interact with other organisms.

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Sunlight filtering through a dense canopy of green leaves and branches
EDITOR’S PICK

How Do Trees Pull Water Upward?

Trees move most water upward through xylem using cohesion–tension. Water evaporating from leaves lowers pressure in the xylem. Cohesion between water molecules transmits that pull down continuous columns toward roots, while adhesion and narrow…

Oct 6, 2026 • 12 min readRead the discovery →
LATEST

Latest discoveries

New stories, explanations and research from Plant Life.

Red and orange autumn leaf among moss and forest plants
Nature & Wildlife

Why Do Leaves Change Colour?

Leaves change colour as deciduous trees prepare for winter. Shorter days help trigger senescence, chlorophyll is dismantled and nutrients are recovered. Yellow and orange…

Oct 1, 2026 • 13 min read
Why Do Leaves Change Colour in Autumn? — documentary reference image
Nature & Wildlife

Why Do Leaves Change Colour in Autumn?

Leaves change colour as deciduous trees prepare for winter. Shorter days help trigger senescence, chlorophyll production stops and green pigment breaks down, revealing yellow…

Sep 25, 2026 • 13 min read