October 25, 2016
Looking for pumpkin carving ideas? Try Mathematical Pumpkins! @maanow https://www.flickr.com/photos/maaorg/9955420964/in/set-72157635923986946 #buckypumpkin
Don't use the Axiom of Choice. xkcd.com/804/
Joseph Hertzlinger, Oct 27 2016 on twitter.com