This Day in Blogging History: Leningrad's gas-mask pioneers; Mix all the toothpaste!; Hardy spam of 2003

One year ago today

Pioneers at the ready, Leningrad: Viktor Bulla's "Pioneers defense drill, Leningrad." It dates from 1937, four years before the Siege of Leningrad, and that makes the weirdness vivid and poignant.

Five years ago today

Experiment: 23 Tubes 1 Bowl: As an experiment, Steve Vigneau recently squirted almost two dozen expired toothpaste tubes into a bowl and stirred up the goop.

Ten years ago today
Spam ecosystem breeding hardier UCE: Spammers acquire all the tools used by antispammers to filter email, and they tweak their spam accordingly. Antispam algorithms are acting like predators on the spam ecosystem, culling weak, easy-to-detect spam and leaving behind more virulent, hardier strains.