AlphaGalileo3h
Trees awaken to spring at their own pace, even within the same species in the same forest – with a difference of up to 12 days
A study by the National Land Survey of Finland and the University of Helsinki has revealed significant individual differences ...
BBC11y
The big air pollution experiment
So how were the trees giving so much protection? Electron microscope images of the leaves of silver birch trees show why they are so good – they are covered in tiny hairs and ridges which help ...