PhysicsUpend atom! We've found a whole new way of doing chemistry We thought we knew how molecules worked – but the discovery of an entirely unknown class of reactions has forced us to rethink the basics Features
HumansThe Novichok spy attack was brazen – it needs a tough response Hard-line regimes once tried to hide their attempts to poison defectors. Now they make them blatant. Tougher responses are required, says David Hambling Comment