@Philip_Britton Tweet 16/01/2013 06:20 PM Tweet 16/01/2013 06:20 PM Posted by Bolton School on 16 Jan 2013 Modified by Bolton School on 16 Sep 2023 @Philip_Britton Mathematics RT @newscientist: Why trees can't grow taller than 100 metres bit.ly/XdYVjz <<it comes down to #mathematics - and leaves