A molecule containing two atoms of the same element can have a permanent electric dipole, say US scientists, contradicting the traditional view of molecular polarity.
From the Olympics to New Year's Eve events, fireworks are synonymous with celebration. James Mitchell Crow looks into some pyrotechnic research worth celebrating in itself
With the authorities, medics and analytical chemists struggling to break the flow of new legal highs, the bad guys appear to be getting the upper hand. Sarah Houlton reports
A new network aims to bring the power of interdisciplinary innovation to bear on global food issues. Laura Barter, Stuart Dunbar, Angela Karp and Rudiger Woscholski explain