Plants can't run away from danger, so investing energy in a body system which recognizes a threat and can feel pain would be a very poor evolutionary strategy, according to the article.
At its upcoming summits in Toronto and Seoul, the G20 must adapt its rebalancing strategy to prevent this new threat to continued recovery and lasting global stability.
Immunization is also a key strategy to ensure global health security and for responding to the threat of emerging infections such as pandemic influenza.