Read article: Absence of evidence Nuclear medicine Opinion and reviews Absence of evidence Peter Williams weighs up a controversial book challenging the convention that there is no safe level of radiation
Read article: Between the lines Ethics Opinion and reviews Between the lines On uranium, the Big Bang, perfect planets and how to dunk your biscuits
Read article: Body talk Ultrafast science Opinion and reviews Body talk Robert P Crease tests two firms' 3D body-scanning devices
Read article: Confronting fraud in science Ethics Opinion and reviews Confronting fraud in science Laura H Greene probes our macabre fascination with scientific fraud
Read article: Knowledge from a vast effort Policy and funding Opinion and reviews Knowledge from a vast effort Rasmus Benestad looks at the link between computer models, politics and global warming
Read article: Discovery with statistics Philosophy, sociology and religion Opinion and reviews Discovery with statistics Robert P Crease discusses your responses to his "experiment" into the nature of discovery and statistics
Read article: Swimming against the unseen tide Education and outreach Opinion and reviews Swimming against the unseen tide Amy Bug finds that even small, unconscious biases in the evaluation of female physicists can have dramatic consequences
Read article: Finding the secrets of life History Opinion and reviews Finding the secrets of life Michael P H Stumpf recalls the life of DNA pioneer Francis Crick
Read article: Picking up bad vibrations Art and science Opinion and reviews Picking up bad vibrations Brian Foster tackles the physics of music
Read article: Missed metric moment Philosophy, sociology and religion Opinion and reviews Missed metric moment Robert P Crease bemoans the US's failure to capitalize on an early opportunity to go metric