The TWO-YEAR-OLD girl who has become Mensa’s youngest American member with an IQ of 135

Wearing an oversized life-jacket and scuba-diving gear on top of a cute pink jumper, three-year-old Emmelyn Roettger, of Washington D.C., looks like she should be playing dress-up with other children.

But what the tot enjoys doing more than anything else is knuckling down and studying.

She loves writing, spelling and counting and is fascinated by science and space. Despite her tender age Emmelyn, known as Emme, is familiar with the concept of [...]