mathematics "Einstein Tile" mystery solved: amateur mathematician discovers unique 13-sided "hat" Mark Frauenfelder

Science Pyramidal object always corrects itself Rob Beschizza

tabletop gaming Necromolds is a fun, squishy, and creative wargame Gareth Branwyn

All-One The story behind Dr. Bronner's, the soap company that's been fascinating people for 75 years Jennifer Sandlin

occult The Enduring Legacy of Parapsychologist J.B. Rhine Mitch Horowitz

coronavirus Here are the 5 kinds of pandemic villains who are making things worse for the rest of us Mark Frauenfelder

class war Does capitalism breed greed, or elevate the greedy? Cory Doctorow

authors Grant Morrison interview: "Laughter can banish any and all demons" Propaganda Anonymous

Science Einstein's stinky leather jacket sold for $144,000 David Pescovitz

Copyfight The Gimmick Economy: how central banks pretend software isn't eating the world Cory Doctorow