August 22, 2012, 12pm PDT
Astrophysicist Adam Frank takes a bird's eye view of the beautiful and perilous ways in which cities - "the defining element of human civilization" - exhibit the laws of thermodynamics.
November 5, 2011, 9am PDT
Nate Berg introduces us to a branch of astrophysicists hoping to utilize new telescope technology to locate potential alien cities on distant planets.
The Atlantic