ScienceDaily.com

Presents the latest research news in areas such as astronomy, biotechnology, health, cloning, ecology, chemistry and more. In addition to regularly updated science articles, you can find science videos, books and images. The site's content is available via a RSS feed thereby making it easily accessible.

http://www.sciencedaily.com/

Greatest Achievements

The National Academy of Engineering provides information on the 20th century’s greatest engineering achievements. On this site, you can read about the creation of the telephone, nuclear technologies, the automobile and many other important devices and innovations.

http://www.greatachievements.org/