cultured: beautiful Petri dish art (see also) from Dasha Plesen
tax centinels: protesting college students conspired to create “penny famines” across the US in the late 1930srediffusion: the Thames Television archives—via Things magazine
fat bear bracket: follow the celebration of survival and success with Katmai’s nature preserve ursine residents—via Hyperalleric’s Required Reading
the thing on the fourble board: a 1948 episode of the radio programme Quiet, Please! is considered to be one of the scariest broadcasts ever
bisection: the spiralling figural sculpture of Isabel Miramontes
frustule: the rich diversity of diatoms illustrated in an 1890 volume