In the 3rd century BCE, Eratosthenes calculated the circumference of the Earth to high precision.

Bill Moyer's Journal - Clipfile brings together clips that expose Bush's Potemkin surge in Iraq. "Go to Iraq! Win An Ipod!"

Brought to you by Paul Dateh on the violin and inka one on the turntables. [Edit] Fixed embed code and took off the ramble about Hip-Hop channel.

You've just made me vomit in my own mouth. What's the weather like up your own ass? Steve Carrell and Stephen Colbert discuss if the Republicans were out to get Clinton.

Billy Collins, former US Poet Laureate and one of America's best-selling poets, reads his poem "The Best Cigarette" with animation by David Vaio of FAD.