Mid-September linkage

Wikipedia paid editing and article protection money ring busted
Faculty slots losing out to support staff at English unis (G+)
Floor tile steganography at UCLA
My new Wikipedia Book on matroid theory (G+)
To square your photos or not to square your photos
Karim Alexander Adiprasito, Zdeněk Dvořák, and Robert Morris win the European Prize in Combinatorics
Computer science courses that don't exist, but should (G+)
Soviet-era architectural sketches by Brodsky and Utkin (G+)
Carol Wood can make up new and strange numbers because she's a model theorist
Shelley James's geometric glass art + video
Harry Potter and the set of all sets that do not contain themselves (G+)
A nice algebraic explanation of the (3,7)-cage and its symmetries (G+)
SODA accepted papers and abstracts (G+)