The Nevanlinna prize winner Constantinos Daskalakis explains why equilibrium may be unattainable and why it's good to be constructive.
Daskalakis tells us about the work he is being honoured for, which involves complexity theory, game theory, online dating and traffic jams.
A mathematical "paradox" explains why more roads don't necessarily mean fewer traffic jams.
Is it rational to believe in a god? The most famous rational argument in favour of belief was made by Blaise Pascal, but what happens if we apply modern game theory to the question?