Energy Anatomy (repost)

Continents move. Glacial cycles come and go. Mountains spring up and erode away. We live on a planet that is constantly in motion-except we see it in extreme slow motion. In this exciting course of 48 half-hour lectures, you effectively speed up the action to witness the history of our planet unfold in spectacular detail, learning what the Earth is made of, where it came from, and, above all, how it works.

Nell Marie McKay (born April 13, 1982) is a British-American singer-songwriter, actress, and former stand-up comedian, noted for her critically acclaimed albums, and for her Broadway debut in The Threepenny Opera (2006). Her music has showcased different genres, from jazz to rap and disco to funk.