Regulators on both sides of the Atlantic have recently stepped up efforts to monitor the potential impacts of nanotechnology on the environment and public health
Eighty years ago a mouldy Petri dish changed the face of medicine, and Alexander Fleming's discovery of penicillin spurred a golden age of antibiotic research
Xiaoying Ye, Stanislav Rubakhin and Jonathan Sweedler describe fluorescent separation and electrochemical methods for detecting a crucial, but tiny, biomolecule
John Denham gave up life in the lab for a career in politics, and now runs the British government's department for science. Richard Van Noorden meets him