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National Geographic is the source for photos, free desktop wallpapers of places, animals, nature, underwater, travel, and more, as well as tips and photographer bios.

Groundbreaking developments in science, space, technology, health, and the environment

Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

Scientific Frontline, a not-for-profit educational news service from the SFL ORG Educational News Network. Up to date global science, space, technology, and aviation news from government, corporate and universities. Extensive photographic and video g...

Huge collection of graphic resource for designer include vector graphic, psd graphic, icons, font, photoshop brush all are free for download.

FONDITOS: Collection of wallpapers and desktop wallpapers, free wallpapers, beautiful landscapes, woman wallpapers and many more categories

Protect our land and water for nature and people by making a taxdeductible donation to The Nature Conservancy today.

Download free computer wallpapers, pictures, and desktop backgrounds. A unique community with something for everyone! Find a new, fresh, high-quality wallpapers on Desktop Nexus! All safe and free.

Only freeware - for Win 95/98/ME/XP/Vista/Win 7. No shareware. Large selection organized by category.

NewFreeScreensavers is the new source of free screensavers. Download free screensavers. Find out just the best screensaver!