IUPAC SMILES+ Contributors: Vincent F. Scalfani (Chair), Evan Bolton, Helen Cooke, Chris Grulke, John Irwin, Oliver Koepler, Greg Landrum, José L. Medina-Franco ...

Lebesgue’s universal covering problem is famously difficult, and a century old. So I’m happy to report some progress: • John Baez, Karine Bagdasaryan and Philip Gibbs, Lebesgue’s universal covering ...

Real numbers are at the center of our mathematical reasoning about the world around us. Computational problems, from computing the number π to predicting an asteroid’s trajectory, all deal with real ...