Reef Check. "Founded in 1996, Reef Check is a volunteer, ocean conservation organization designed to save coral reefs globally and temperate reefs in California."
It's in the Blood! A documentary history of Linus Pauling, hemoglobin, and sickle cell anemia.
Bogus blogs snare fresh victims. "The bogus web journals are being used as traps that infect visitor's machines with keylogging software or viruses." Yes, but only if you're stupid enough to click on a link some unknown person e-mails or IMs you. Hopefully they won't get indexed by search engines...
Natural Nuclear Reactors. (via Kottke) It's all started by microbes with the ability to specifically concentrate uranium.
Oh, and I can't forget the Friday Ark. I am still wondering what's up with all those cat bloggers. Does owning a cat make one more likely to own a blog? Or does owning a cat make one more likely to post cat pictures on the web?