IN the second volume of his large treatise on the integral calculus, Mr. Edwards deals with multiple integrals, gamma functions, Dirichlet integrals, definite integrals in general, contour integration ...

For some, the phrase "spring is in the air" is quite literal. When the winter snow melts and flowers bloom, pollen and other materials can wreak havoc on those suffering from seasonal allergies, ...

Mankind is on the brink of survival in Tides of Tomorrow. Not only has the world flooded, forcing the final few hundred thousand people to live on ramshackle ocean platforms, but this is a ...