I'm just a caveman, but I do know this - there's some good stuff on the internets lately.

calm starts off a South City band series, and starts it off right.

A bunch of very smart people write about a very smart book. Writers include the book's very smart author.

Corresponding Fractions is on heavy rotation.

seeyoulaser is exponentially more fun than studying.

InfoMash dog-paddles on the sea of information.