June 1, 2007: Hour One: Breast Cancer Genetics / Carbon Sequestration / Producing Hydrogen June 1, 2007: Hour Two: SeaChange Play / Writer and Cosmologist Paul Davies June 8, 2007: Hour One: Climate Change in Alaska - Biophysical Changes June 8, 2007: Hour Two: Climate Change and the People of Alaska June 15, 2007: Hour One: Drug Resistant TB and New Drug Development / ENCODE Project June 15, 2007: Hour Two: Nanotechnology June 22, 2007: Hour One: Stem Cell Survey / Energy Bills / Future of Coal June 22, 2007: Hour Two: Mars Update / Worst Science Jobs / Genes and Genealogy June 29, 2007: Hour One: Synthetic Genome / New Stem Cell June 29, 2007: Hour Two: Ancient, Giant Penguins / Gina Kolata on Diet / Babies' Guts