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Environment

Divide and rule

I saw this tree in Austria over the summer (see photos). The trunk seemed to...

11 November 2015

Âé¶¹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.
Divide and rule

I saw this tree in Austria over the summer (see photos). The trunk seemed to divide near the base and became almost three separate trees as it climbed higher. What species is this, and is it a normal occurrence? If so, what purpose does the division serve?

Alan Friel, Cork, Ireland

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