2009-2010
Episodes
1 Do I Drink Too Much? Oct 13, 2009 2 The Secret You Oct 20, 2009 3 Fix Me Oct 27, 2009 4 Who's Afraid of a Big Black Hole? Nov 3, 2009 
5 Why Do We Talk? Nov 10, 2009 6 How Long is a Piece of String? Nov 17, 2009 7 The Secret Life of the Dog Jan 6, 2010 8 Why Do Viruses Kill? Jan 13, 2010 9 Pill Poppers Jan 20, 2010 10 Don't Grow Old Feb 3, 2010 11 To Infinity and Beyond Feb 10, 2010 12 What Makes a Genius? Feb 17, 2010 13 Did Cooking Make Us Human? Mar 2, 2010 14 Is Everything We Know About the Universe Wrong? Mar 9, 2010
5 Why Do We Talk? Nov 10, 2009 6 How Long is a Piece of String? Nov 17, 2009 7 The Secret Life of the Dog Jan 6, 2010 8 Why Do Viruses Kill? Jan 13, 2010 9 Pill Poppers Jan 20, 2010 10 Don't Grow Old Feb 3, 2010 11 To Infinity and Beyond Feb 10, 2010 12 What Makes a Genius? Feb 17, 2010 13 Did Cooking Make Us Human? Mar 2, 2010 14 Is Everything We Know About the Universe Wrong? Mar 9, 2010