Plants 'do maths' to control overnight food supplies

Plants have a built-in capacity to do maths, which helps them regulate food reserves at night, research suggests. UK scientists say they were "amazed" to find an example of such a sophisticated arithmetic calculation in biology. via Pocket http://www.bbc.co.uk/news/health-22991838#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa