Wondering what those colored circles on food packaging really mean? The answer is more technical than you might think.

But there's something else printed on the back of most food packaging: several brightly-colored circles or squares that look ...

“For 27 years, Moss wrote a popular column, ‘In Colored Circles,’ that chronicled much of the happenings in the African-American Community,” the Lima News wrote in February 2004.

An atom is the simplest particle of an element. In a particle diagram, atoms are represented by a single coloured circle. When atoms of two or more elements bond together, they make a compound.