Nobel Prize winner Sir Paul Nurse examines why science seems to be under attack, and why public confidence in major scientific theories has been eroded – from the theory that climate change is man warming our planet, the safety of GM foods, or that HIV causes AIDS.
Interview with scientists and activists on both sides of the debate on climate change, and travels to New York to meet with Tony, who has HIV but does not believe that the virus responsible for AIDS.
This is an impassioned defense of the importance of scientific evidence and the power of the experiment, and a look at what scientists must do to gain trust in controversial areas of science in the 21st century.