How-To Geek on MSN

I Use the Arrow Keys More Than Any Other Keys in Excel

Here are the best uses of the Arrow keys in Excel with Scroll Lock mode turned on. Pressing Ctrl+Shift+Up, Down, Left, or Right Arrows selects the current cell and all cells above, below, to the left, ...
The Economist

Cells and membranes

They derive their energy from differences in the concentration of hydrogen ions across some of these membranes ...