Portside

An “einstein” is a shape that tiles an infinite flat surface without repetition. It all began with a hobbyist “messing about and experimenting with shapes.”

A must-see film about using math to overcome adversity and send humans into orbit

Reader Comments - Victory for Americans: Walgreens Won't "Invert"; Rosetta Comet Rendezvous; Reflections on My Seven Months in Israel; Incipient Inflation Freak-Out Could Wreck Economy; Jews Who Protest Israeli Policy; Academic Freedom Under Attack - The Firing of Steven Salaita; Anti-Semitism; Virgin America Flight Attendants Vote To Join Union; Healthcare - the NHS; Market Basket Srtike - Why Its So Important; On This Day in History - FDR Signs Social Security Act

New York public school teacher Kate Abell responds to earlier Portside post, on Common Core, adding the perspective of a math educator. "The Common Core Math Standards are far and away the best tool for supporting teachers in the teaching of mathematics that I have ever encountered. The standards themselves are written in a way to help teachers deepen their own understanding of mathematics, make connections between math topics.. and pass this on to their students."

Reader Comments: Terrorism, Drones, Afghanistan, Benghazi, Obama terrorism speech, Bradley Manning, Chicago Schools, Climate Change, Letter to "The Nation" from a Young Radical, Math, Malvina Reynolds, Africa, Asia, Hope Foye, Race & Biology, Peabody Coal, Bittorrent... Announcements - Gerald Horne keynote's Chicago Human Rights Awards - Jun 15; Film Premier - Camp Kinderland "Commie Camp" - New York - Jun 28; Jerry Tucker Memorial Conference, St. Louis - Oct 11-13