If we can stop the physical deterioration that comes with age, molecular biologist Aubrey de Grey sees no reason why human beings shouldn't live to be 1,000.
The art and science of persuasion is often discussed as though changing people's minds is about using the right arguments, the right tone of voice or the right negotiation tactic. But effective influence and persuasion isn't just about patter, body language or other techniques, it's also about understanding people's motivations.