Pyramids are the best shape for random packing

Two mathematicians found that the tetrahedra randomly packed into containers occupied 76 per cent of their containers

Sum of Digits of Prime Numbers Is Evenly Distributed

On average, there are as many prime numbers for which the sum of decimal digits is even as prime numbers for which it is odd

Mathematical pool

chance game of pool led to a proof on the difficulty of certain shots

Credit crisis and risk

The credit crisis would not have been as bad if investment banks’ risk management systems worked well

Proof at last for Boltzmann's 140-year-old gas equation

Mathematical proof that a seminal equation describing the behaviour of gases is correct