It has been the dream - and nightmare - of science fiction writers for decades. Now a team of engineers has conjured up a robot that can reproduce itself. The robot can self-replicate in much the same way that some living organisms are able to reproduce by cloning themselves.
Senior scientific advisers to the World Health Organisation (WHO) have recommended the creation of a genetically modified version of the smallpox virus to counter any threat of a bioterrorist attack.
The Swift Space Laboratory -- a joint project between NASA, Britain, and Italy -- is the first satellite dedicated to probing the mysteries of gamma ray bursts.