IF YOU thought the Higgs boson was elusive, consider the case of dark matter. The Higgs—the particle that gives other subatomic species mass—was predicted in 1964 but actually nabbed only last year.

IN his preface Prof. Young says that he wrote this book in the hope that the solution of the difficulties of fractional distillation might be rendered easier. He has written an eminently practical ...

In this video, Fran Scott explains fractional distillation - the separation of crude oil into fractions. Crude oil is a finite resource; petrol and other fuels are produced from it using fractional ...