Linkage
Bad ad-screening hygiene exposes thousands to malware so you should use an ad-blocker to be safe (G+)
Turkey equates petition-signing to terrorism, jails three professors, hounds others from their positions (G+)
The distribution of cell shapes in Voronoi diagrams of random points in space
Visual proof of the arithmetic-geometric mean inequality (G+)
Nalini Joshi on gender discrimination in Australian mathematics
Addictive abstract puzzle game based on the theory of Thompson groups