Josef 'Jupp' Schugt wrote:
...
> Still I would recommend *not* adding such a section but rather
> renaming the Physics section into Physics/Chemistry or
> Chemistry/Physics (because there are not only physics and chemistry
> but also physical chemistry or chemical physics).
> 
> What do others people think about that?

"Science" would be too vague, but how about "Physical Science"? Or, as 
you suggest, "Chemistry/Physics".