Wao!!! 19 years old Nigerian recognized among the world 50 smartest teenagers, meets Obama and Michelle.

19 year old Nigerian student at Harvard University, Saheela Ibraheem has been recognized as one of the world's 50 smartest teenagers.

At 15, she was accepted for admission by 13 top colleges in the United States, including the MIT, Columbia, Princeton and six other Ivy league colleges.

She chose Harvard. And at 19, she'll be graduating from Harvard in May this year. Saheela also had the opportunity to meet President Barack Obama and the first lady Michelle Obama.