Scientists have both the right and a moral duty to be "stewards of God" by genetically modifying crops to help the world's poor, scientific advisers to the Vatican said.
Obesity kills, everyone knows that. But is it possible that we've been looking at the problem in the wrong way? It seems getting fatter may be part of your body's defence against the worst effects of unhealthy eating, rather than their direct cause.
Humanity's relationship with alcohol has never been easy. Now it is about to undergo as great a change as our attitude to tobacco, which has seen smoking plummet from the height of cool to the lowest of unpleasant habits.