Mzee Peter Shirima performed a strange ritual in front of a Catholic church, planting bananas and interrupting prayers. He insisted the land was his inheritance.

A wax figure of Robert Ripley himself stands ready to greet you, his frozen smile and unblinking eyes following you as you move past. At least, they seem to follow you – just one of many optical ...

SDR is a radio communication system in which software, rather than expensive hardware, performs key signal processing tasks, ...