Fano plane drawings: embedding PG(2,2) into the real plane

Proof of the weak Goldbach Conjecture Triangle area on surfaces of constant curvature The Isoperimetric problem for domains constrained to lie between two parallel planes Compact open topology Second nonabelian group cohomology: cocycles vs. gerbes Converse to Milnor's theorem on manifolds with nonnegative Ricci curvature Galois group of constructible numbers What arithmetic information is contained in the algebraic K-theory of the integers Does an existence of large cardinals have implications in number theory or combinatorics? A simple and good reference about solitons Why is it hard to prove that the Euler Mascheroni constant is irrational? Are there five consecutive primes in arithmetic progression?