Carbon dioxide emissions from Sydney Harbour have been measured for the first time.

Central to the exhibition is solving a crime, a murder no less.

A robotic policeman which can help identify wanted criminals and collect evidence has joined Dubai's police force and will patrol busy areas in the city, as part of a government programme aimed at replacing some human crime-fighters with machines.

Many of the iPhone's existing features are too complicated for many users to figure out.

Chess master says artificial intelligence isn't a threat - we should be more worried by the "level of intelligence in the White House".