Polycyclic Aromatic Hydrocarbons(johncarlosbaez.wordpress.com)25 points by chmaynard 1 year ago | 3 comments
Naturally Occurring Quasicrystals(johncarlosbaez.wordpress.com)122 points by lukeplato 5 months ago | 10 comments
Precursors of Copernicus' heliocentric theory(johncarlosbaez.wordpress.com)47 points by chmaynard 1 year ago | 16 comments