How to combine two columns in Excel using formulas, and keep all of their data

You can combine two columns in Excel using several formulas and tools available in the software. Here's how to combine two ...

How to freeze a row in Excel so it always stays on the screen, even when you scroll away

You can freeze a row in Excel through the "Freeze Panes" menu. This lets you scroll through a spreadsheet without that frozen ...
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Column by Janet Napolitano: New Airport Screening Devices “Safe, Efficient and Protect Passenger Privacy”

WASHINGTON — Nearly a year after a thwarted terrorist attack on a Detroit-bound airliner last Christmas Day, the recent attempt by terrorists to conceal and ship explosive devices aboard aircraft ...