http://ynaija.com/35-year-old-african-reportedly-solves-a-270-year-old-mathematics-problem-pictured/
"Goldblach's Conjecture" is no longer conjectural, it is now actual, having been solved and proven so by Mr. I. S. Diallo of Guinea in 2013.
What is Goldblach's Conjecture? Read on: http://en.wikipedia.org/wiki/Goldbach's_conjecture