TechnologyHow scientists are cracking historical codes to reveal lost secrets Deciphering encrypted messages from centuries past is a painstaking process. But linguists and computer scientists are starting to automate it, with some sensational results Features
HumansThe untold story of the curiously controversial Homo floresiensis dig The discovery of Homo floresiensis revolutionised the study of human evolution, but it was rocked by accusations of theft. Twenty years on, here's the full story behind the episode Features