If you haven't yet bought a Christmas tree yet, you may have left it a bit late. But don't despair: there's still time to print one. And a new 3D printer algorithm that claims to provide ...

The Irish philosopher George Berkely, best known for his theory of immaterialism, once famously mused, "If a tree falls in a forest and no one is around to hear it, does it make a sound?" What about ...

A tree does not fall apart evenly. Cut the wrong branch, and the whole crown can end up leaning on one weak point instead of spreading the ...