Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

Brazil will return to Argentina the responsibility for its diplomatic representation and custody of its embassy in Venezuela, the Brazilian Foreign Ministry confirmed late on Saturday. Worldcategory· ...

Abstract: We experimentally demonstrate the feasibility of producing an array of polymer micro-lenses for multi-core single-mode fibers through a single molding process. The use of a multi-core fiber ...