History List of San Francisco long-term brothels, 1937 Cory Doctorow

History Was DB Cooper a French Canadian who got the idea from Belgian comics? Cory Doctorow

Science What's on Leonardo daVinci's "To-Do" list? Maggie Koerth

Science High-rez scan of Einstein's brain slide from Philadelphia's Mütter Museum Cory Doctorow

Science Otzi the Iceman and life after death Maggie Koerth

happy mutants Antikythera mechanism in a wristwatch Cory Doctorow

Book The Freedom Maze: a different sort of slavery-time alternate history Cory Doctorow

Technology Sounds that no longer exist Maggie Koerth

happy mutants Art Spiegelman lecture on Maus Cory Doctorow

Science Antique photos from optical telescopes Maggie Koerth

History Fake British WWII passport for Hitler Cory Doctorow

Science Ballet shoes as technology Maggie Koerth

Science In the first issue of Scientific American: Centrifuges and levitating haystacks Maggie Koerth

Gadgets Concrete ladle made from German WWII helmet Cory Doctorow

happy mutants Extraordinary Catalog of Peculiar Inventions: awesomely dangerous pranks from the age of fraternal lodges Cory Doctorow

happy mutants Danger 5: 1960s superspies fight Adolf Hitler Cory Doctorow

Weird Ads of Yore Rob Beschizza

Science Animals in space Maggie Koerth

Science Royal Society opens archive, kills productivity Maggie Koerth