Nasa.gov: Nasa has a new content-rich multimedia website and image gallery.
ICyte.com: stores information off your computer permanently - files, images, mail, webpages, whatever.
FUTURITY.org: latest research news from universities in America, Canada and the U.K.
healthyimagination.com: sharing health ideas with partners around the web.
realage.com: Find your real age according to your health habits, track your health progress, learn about new research, try new recipes. (a favorite, getting better)
Royal Magazin: A fun site to browse, if not very practical.
All-Acronymns.com: Growing in popularity, this helpful site lists organizations and meanings connected to initials, e.g. A.M.S., the American Mathematical Society (AMS) has 278 additional definitions.