Before computers, accountants used special paper with columns to summarize general ledger entries. Columnar worksheets made accounting projects easier than if they were written on notebook paper.

Alternative keyboard layouts like Colemak and Dvorak are nothing new; they allow easier access to more often used keys to reduce the strain placed on the hands during typing. Building on the ...

Breast terminal duct epithelium which assumes a columnar morphologic appearance has been recognized for decades, and has been referred to by a variety of names, including abnormal involution, cystic ...