1. Majestic Ocean Sunrise. Nothing beats the calming effect of watching the sunrise over the ocean. This wallpaper captures ...

1. Grabbed the background image that occasionally appears on www.colorado.edu from list of CU-Boulder Backstretch Photos. Used the one called old-aerial.jpg. This is an aerial photo of the CU campus ...

Ocean waters are getting greener at the poles and bluer toward the equator, according to an analysis of satellite data published in Science on June 19.

To download these backgrounds from your desktop, enter full-screen mode by clicking on each photo, then right-click on the wallpaper image to save it to your computer.