ZIP codes with the highest poverty levels also experience higher rates of obesity, depression and low birth-weight babies. Limited access to affordable healthy food and transportation to medical ...

The graph colouring problem, a classic NP-hard challenge, is central to many practical applications such as scheduling, resource allocation and network management. Recent advances have seen the ...

(This is the second part of a two-part article. Read the first part.) In March of 1941, while the Germans were occupying half of France, the French painter Henri Matisse underwent a grave operation in ...