A few unsorted links to cool things:

Art / 3D:

CG Talk (look at me, look at me)

CGChannel (Marketing driven 3D news)

Craig Mullins (Photo who? Photoshop!!!)

Z Brush Central (to monitor the insanity)

Siggraph Papers (for ACM members, great research tool)

Renderman.org ( Renderman Siggraph Papers, lots of info)

Neil Blevins (Great CG Education / Tutorials)

Science:

UC Berkley Webcast

-Astro C10 / LS C70U Introduction to General Astronomy (Awsome!)

-IB 131 General Human Anatomy

MIT OpenCourseWare (A University's worth of knowledge, for free!)

-16.885J / ESD.35J Aircraft Systems Engineering (Space Shuttle)

NASA (Never mind science fiction, this is way cooler)

Scientific American

Thinkers, Creators, Interesting People:

Bernard Pivot (somehow he does not seem to have a big presence online...)

Noam Chomsky

Bill Moyers, Journal

Charlie Rose

Stephane Bureau, Contact TV,

History:

Old Maps (UTexas scanned old maps, for the history lover in you)

PBS Nova, Secrets of the Parthenon (U.S. Only)

Quia Latin Flash Cards for Wheelock

Literature:

The Project Gutenberg (Free books. Ever read say, Einstein?)

Culture:

RadioHead (The Rock Band)

Environment:

David Suzuki (Sensible Science)

 

News Outlet:

BBC (radio and television)

Le Monde (Le snooty news)

The Guardian (News for old boys)

The Independent (Look for Robert Fisk)

Nuntii Latini (The news in Classical Latin)