1. Cable news has functioned as the harrowing background soundtrack to much of 2015 and 2016.

2. This story was updated to include additional background and details about the trial and killing.

3. This article has been updated with background and additional details from the court hearing.

4. One way she addresses that is by drawing on her background in science.

5. If a little background noise would help you focus on your work, give it a try.

6. In the past, he said he had to hire people with little or no background in finance.

7. When you are using the app, you get to look at their picture and see background information.

8. Why should it only be the dealers that have to do the background checks?

9. All in all, the background is more favorable than it was at the same time last year.

10. The article was updated with additional details from police, and new background material.

11. This article has been updated with background and reference to economic migrants.

12. All environmental surface and water samples have come back as background levels.

13. The story was updated to include reaction and background on the case.

14. For instance, software will run in the background on cars but not take any real action.

15. It appears as a transparent layer, so you can still keep an eye on your background activity.