Meet the Nigerian professor who's won a $1M prize for solving 150 year old maths problem.
http://bbc.in/1OcVbvH pic.twitter.com/sBWS5LNPc7
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
@gasalmi There was a Kazakhstan hoax on this a few years ago. Hope @BBCAfrica hasn't fallen for another one. Let's have the proof.