The Baltimore Sun welcomes submissions of op-ed articles of 650 to 750 words. Local topics and authors are preferred. Please submit them by using this form or emailing commentary@baltsun.com.

Everything changes with time. Some changes happen so rapidly — like 7 frames or more per second — that we perceive them as ...

The Sun welcomes comments from readers via letters to the editor. All comments become the property of The Sun, which reserves the right to edit them. To submit a letter to the editor, use the form ...