CHICAGO (CBS)-- Wednesday is red-letter day at the CTA - 25 years since the CTA first began using color-coded route names on the 'L.' It's as simple as black and white: the 'L' is part of the fabric ...

Each metro line usually has its own color on the map. For obvious reasons, these colors should be maximally different. Suppose a new metro line is built. We now explain a strategy to choose the color ...

In this post, we will show you how to change the Gridline color in Excel. Gridlines are the lightly visible lines that appear around cells in a worksheet to differentiate them and make the data easier ...

People check out the newly opened Second Avenue Subway 86th Street station in New York on Jan. 1 in New York City. (AP Photo/Craig Ruttle) This is your first of three free stories this month. Become a ...