TY - BOOK AU - BBC2 TI - Sign zone : bang goes the theory : cancer [DVD] PY - 2014/// PB - BBC N2 - 30 minutes; Broadcst 7 May 2014 : 10.00 : BBC2; Series presenting the science behind the headlines, and looking at the issues that have a real impact on all our lives. It is 60 years since a British doctor first made the link between smoking and lung cancer, and now it seems we may finally be starting to win the battle against nature's most vicious disease. Liz Bonnin explains how cells turn cancerous by blowing high-tech bubbles. Jem Stansfield builds his own radiotherapy gun, Maggie Philbin looks at the latest drugs, and the team are joined by Ground Force's Tommy Walsh, who looks into screening for bowel cancer ER -