The annual battle with heating bills is raging again this January as frezing cold temperatures, ice and snow mean we've all had to reach for the thermostat and run the boiler probably a bit more often ...

The SORT and SORTBY functions let you extract certain columns and rows from a dataset and sort them in a certain order, all while preserving the source data. Even though they work in similar ways, ...

For more than a century, Einstein’s relativity has set a hard speed limit for the universe, with light as the ultimate traffic cop. Now a new generation of warp drive research, built from normal ...

Tina Packer, actress and director who transformed the American approach to Shakespeare She took exception to Laurence Olivier’s dictum that good acting was a matter of ‘convincing lying’ – emotional ...