TODAY | December 28, 2013
>>> are all back.
>> oh, okay.
>> a whiz kid from england might make you question your own intelligence. at 3, he became the youngest person ever to become a member of the high i.q. society. we have more on the little boy who is stunning psychologists.
>> that one is kazakhstan. that a africa. that is the democratic republic of congo .
>> reporter: he just turned 4 but is certainly not your normal 4-year-old. he has an i.q. 160, that puts him in the same league as albert einstein and bill gates and steven hawking .
>> he could even be more than that.
>> reporter: sherwin's mother first realized how gifted he is when she was teaching him to count.
>> he was only about 18 months old and in one day, he could count from 1 to 50 and he wanted more. what was the first man that went to the moon?
>> neil armstrong .
>> reporter: the biggest challenge is keeping up with his appetite for learning.
>> he is never satisfied with simple answer. he is asking me why some clouds are white and some are gray. i just said when they are gray, is there more chances of rain. he said, well, i know that!
>> what about that? that is an i.
>> what do you think that is?
>> reporter: no surprise what he plans to be when he grows up.
>> a scientist.
>> the aim is basically for him to be a successful person in the future, somebody useful for the society and help mankind with his gift.
>> reporter: he may only be 4, but this little fellow had some great advice for me.
>> good for older brains.
>> reporter: chocolate is good for your brain? that is the secret?
>> reporter: who taught you that?
>> my mom.
>> reporter: realizing already mom is never wrong, this is one very smart little boy , indeed. for "today," anna bell roberts, nbc news.