A 2-year-old from the U.K. recently became the youngest member of Mensa, which accepts people with an IQ of 132 or above. The toddler, named Joseph Harris-Birtill, said his first word at seven ...

NEED TO KNOW. A 2-year-old U.K. boy just became the youngest person ever to be accepted into Mensa. The toddler, named Joseph Harris-Birtill, said his first word at seven months and read his first ...