'Genius' four-year-old girl with IQ score of 140 becomes UK's second youngest Mensa member

A four-year-old has become the UK's second youngest member of Mensa after achieving an IQ score of 140 - meaning she is officially a genius.

Little Alannah George is "obsessed" with words and numbers and taught herself how to read before ever stepping foot in a classroom. The reception class pupil, from Iver, Bucks., would rather recite the alphabet and times tables than singing nursery rhymes.