iD 2016.12: Why it pays to be a psychopath

• Winter heroes - these animals meet the challenges of the toughest season head-on.
• Game of drones - iD explains how camera drones are revolutionizing film-making.
• Psychopaths of world history - how can you spot a psychopath--and what makes them so dangerous?
• The secret laws of forest fires.
• The trouble with a modern marvel of the world.
• The secret knowledge of orcas.
• How much dark matter is in my body?
• How much can a plane withstand?
• Planet 9 - how could we miss it?

Cover date: December 2016

On newsstands: October 14, 2016