Will there be a city on the moon in ten years?

Elon Musk says his company Space X will focus on establishing a ‘self-growing city’ on the moon before going to Mars. Why the pivot? And what would it take to build a lunar metropolis? Victoria Gill speaks to head of space at the Science Museum Libby Jackson. Can we stimulate the human brain to make humans more altruistic? Professor of neuroeconomics at the University of Zurich, Christian Ruff…