Why do the rich and popular get richer and more popular?
This year's prize goes to Srinivasa S. R. Varadhan
Mathematicians pin down symmetry
Plus went to see members of Norman Foster's group of architects to learn about the maths behind architecture.
Scientists develop ways of testing string theory against reality
The Eternity puzzle is back with a $2 million prize
How advanced mathematical techniques save lives.
A model borrowed from engineering may help save coral reefs