From the ancient pyramids of Giza to the farthest edges of black holes, pi has been quietly shaping our understanding of the world. New research reveals that Srinivasa Ramanujan’s century-old formulas ...

Mrs Roberts: What do you think you're made of? Mr Spellman: Big question. Grit, determination, hard-working, handsome, charming, funny. Mrs Roberts: Well, I guess. But you're actually made of atoms.